Home / 13,971,331.28-19,280,404.68-7,859,758.16

Finding the Fourth Proportional to 13,971,331.28, 19,280,404.68 and 7,859,758.16

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Solution

The fourth proportional to 13,971,331.28, 19,280,404.68 and 7,859,758.16 is: 10,846,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,331.28 : 19,280,404.68 = 7,859,758.16 : x
  2. Step 2: Convert to fraction form
    13,971,331.28/19,280,404.68 = 7,859,758.16/x
  3. Step 3: Cross multiply
    13,971,331.28x = 19,280,404.68 × 7,859,758.16
  4. Step 4: Simplify right side
    13,971,331.28x = 151,539,318,011,732.19
  5. Step 5: Solve for x
    x = 151,539,318,011,732.19/13,971,331.28
  6. Step 6: Final answer
    x = 10,846,447.99

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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.