Home / 28,242,306.46-38,972,244-15,850,006.53

Finding the Fourth Proportional to 28,242,306.46, 38,972,244 and 15,850,006.53

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Solution

The fourth proportional to 28,242,306.46, 38,972,244 and 15,850,006.53 is: 21,871,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,306.46 : 38,972,244 = 15,850,006.53 : x
  2. Step 2: Convert to fraction form
    28,242,306.46/38,972,244 = 15,850,006.53/x
  3. Step 3: Cross multiply
    28,242,306.46x = 38,972,244 × 15,850,006.53
  4. Step 4: Simplify right side
    28,242,306.46x = 617,710,321,693,892.12
  5. Step 5: Solve for x
    x = 617,710,321,693,892.12/28,242,306.46
  6. Step 6: Final answer
    x = 21,871,808.62

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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.