Home / 7,124,807.70-10,687,211.55-2,076,282.90

Finding the Fourth Proportional to 7,124,807.70, 10,687,211.55 and 2,076,282.90

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Solution

The fourth proportional to 7,124,807.70, 10,687,211.55 and 2,076,282.90 is: 3,114,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124,807.70 : 10,687,211.55 = 2,076,282.90 : x
  2. Step 2: Convert to fraction form
    7,124,807.70/10,687,211.55 = 2,076,282.90/x
  3. Step 3: Cross multiply
    7,124,807.70x = 10,687,211.55 × 2,076,282.90
  4. Step 4: Simplify right side
    7,124,807.70x = 22,189,674,589,947.50
  5. Step 5: Solve for x
    x = 22,189,674,589,947.50/7,124,807.70
  6. Step 6: Final answer
    x = 3,114,424.35

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Double scale
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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.