Home / 7,974,019.10-11,961,028.65-7,029,235.10

Finding the Fourth Proportional to 7,974,019.10, 11,961,028.65 and 7,029,235.10

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Solution

The fourth proportional to 7,974,019.10, 11,961,028.65 and 7,029,235.10 is: 10,543,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974,019.10 : 11,961,028.65 = 7,029,235.10 : x
  2. Step 2: Convert to fraction form
    7,974,019.10/11,961,028.65 = 7,029,235.10/x
  3. Step 3: Cross multiply
    7,974,019.10x = 11,961,028.65 × 7,029,235.10
  4. Step 4: Simplify right side
    7,974,019.10x = 84,076,882,418,685.61
  5. Step 5: Solve for x
    x = 84,076,882,418,685.61/7,974,019.10
  6. Step 6: Final answer
    x = 10,543,852.65

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Double scale
Find fourth proportional to 7,974,020.10, 11,961,030.15 and 7,029,236.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.