Home / 8,869,856.90-13,304,785.35-7,972,312.10

Finding the Fourth Proportional to 8,869,856.90, 13,304,785.35 and 7,972,312.10

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Solution

The fourth proportional to 8,869,856.90, 13,304,785.35 and 7,972,312.10 is: 11,958,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,856.90 : 13,304,785.35 = 7,972,312.10 : x
  2. Step 2: Convert to fraction form
    8,869,856.90/13,304,785.35 = 7,972,312.10/x
  3. Step 3: Cross multiply
    8,869,856.90x = 13,304,785.35 × 7,972,312.10
  4. Step 4: Simplify right side
    8,869,856.90x = 106,069,901,233,707.73
  5. Step 5: Solve for x
    x = 106,069,901,233,707.73/8,869,856.90
  6. Step 6: Final answer
    x = 11,958,468.15

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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.