Home / 21,487,972.11-32,243,155.61-9,517,908.75

Finding the Fourth Proportional to 21,487,972.11, 32,243,155.61 and 9,517,908.75

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Solution

The fourth proportional to 21,487,972.11, 32,243,155.61 and 9,517,908.75 is: 14,281,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487,972.11 : 32,243,155.61 = 9,517,908.75 : x
  2. Step 2: Convert to fraction form
    21,487,972.11/32,243,155.61 = 9,517,908.75/x
  3. Step 3: Cross multiply
    21,487,972.11x = 32,243,155.61 × 9,517,908.75
  4. Step 4: Simplify right side
    21,487,972.11x = 306,887,412,860,441.06
  5. Step 5: Solve for x
    x = 306,887,412,860,441.06/21,487,972.11
  6. Step 6: Final answer
    x = 14,281,822.93

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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.