Home / 22,520,134.40-31,071,824.84-13,224,733.08

Finding the Fourth Proportional to 22,520,134.40, 31,071,824.84 and 13,224,733.08

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Solution

The fourth proportional to 22,520,134.40, 31,071,824.84 and 13,224,733.08 is: 18,246,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520,134.40 : 31,071,824.84 = 13,224,733.08 : x
  2. Step 2: Convert to fraction form
    22,520,134.40/31,071,824.84 = 13,224,733.08/x
  3. Step 3: Cross multiply
    22,520,134.40x = 31,071,824.84 × 13,224,733.08
  4. Step 4: Simplify right side
    22,520,134.40x = 410,916,589,817,513.69
  5. Step 5: Solve for x
    x = 410,916,589,817,513.69/22,520,134.40
  6. Step 6: Final answer
    x = 18,246,631.33

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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.