Home / 31,215,837.76-47,057,725.76-29,134,980.16

Finding the Fourth Proportional to 31,215,837.76, 47,057,725.76 and 29,134,980.16

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Solution

The fourth proportional to 31,215,837.76, 47,057,725.76 and 29,134,980.16 is: 43,920,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215,837.76 : 47,057,725.76 = 29,134,980.16 : x
  2. Step 2: Convert to fraction form
    31,215,837.76/47,057,725.76 = 29,134,980.16/x
  3. Step 3: Cross multiply
    31,215,837.76x = 47,057,725.76 × 29,134,980.16
  4. Step 4: Simplify right side
    31,215,837.76x = 1,371,025,906,392,320.75
  5. Step 5: Solve for x
    x = 1,371,025,906,392,320.75/31,215,837.76
  6. Step 6: Final answer
    x = 43,920,842.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.