Home / 7,737,801.62-10,666,912.19-5,407,459.16

Finding the Fourth Proportional to 7,737,801.62, 10,666,912.19 and 5,407,459.16

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Solution

The fourth proportional to 7,737,801.62, 10,666,912.19 and 5,407,459.16 is: 7,454,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737,801.62 : 10,666,912.19 = 5,407,459.16 : x
  2. Step 2: Convert to fraction form
    7,737,801.62/10,666,912.19 = 5,407,459.16/x
  3. Step 3: Cross multiply
    7,737,801.62x = 10,666,912.19 × 5,407,459.16
  4. Step 4: Simplify right side
    7,737,801.62x = 57,680,891,950,359.31
  5. Step 5: Solve for x
    x = 57,680,891,950,359.31/7,737,801.62
  6. Step 6: Final answer
    x = 7,454,428.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.