Home / 10,368,515.70-15,552,773.55-9,920,618.10

Finding the Fourth Proportional to 10,368,515.70, 15,552,773.55 and 9,920,618.10

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Solution

The fourth proportional to 10,368,515.70, 15,552,773.55 and 9,920,618.10 is: 14,880,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,515.70 : 15,552,773.55 = 9,920,618.10 : x
  2. Step 2: Convert to fraction form
    10,368,515.70/15,552,773.55 = 9,920,618.10/x
  3. Step 3: Cross multiply
    10,368,515.70x = 15,552,773.55 × 9,920,618.10
  4. Step 4: Simplify right side
    10,368,515.70x = 154,293,126,785,331.25
  5. Step 5: Solve for x
    x = 154,293,126,785,331.25/10,368,515.70
  6. Step 6: Final answer
    x = 14,880,927.15

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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.