Home / 22,572,145.11-31,151,481.33-12,784,330.50

Finding the Fourth Proportional to 22,572,145.11, 31,151,481.33 and 12,784,330.50

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Solution

The fourth proportional to 22,572,145.11, 31,151,481.33 and 12,784,330.50 is: 17,643,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572,145.11 : 31,151,481.33 = 12,784,330.50 : x
  2. Step 2: Convert to fraction form
    22,572,145.11/31,151,481.33 = 12,784,330.50/x
  3. Step 3: Cross multiply
    22,572,145.11x = 31,151,481.33 × 12,784,330.50
  4. Step 4: Simplify right side
    22,572,145.11x = 398,250,832,887,299.56
  5. Step 5: Solve for x
    x = 398,250,832,887,299.56/22,572,145.11
  6. Step 6: Final answer
    x = 17,643,464.14

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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.