Home / 31,349,748.91-43,263,188.35-17,221,531.13

Finding the Fourth Proportional to 31,349,748.91, 43,263,188.35 and 17,221,531.13

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Solution

The fourth proportional to 31,349,748.91, 43,263,188.35 and 17,221,531.13 is: 23,766,006.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349,748.91 : 43,263,188.35 = 17,221,531.13 : x
  2. Step 2: Convert to fraction form
    31,349,748.91/43,263,188.35 = 17,221,531.13/x
  3. Step 3: Cross multiply
    31,349,748.91x = 43,263,188.35 × 17,221,531.13
  4. Step 4: Simplify right side
    31,349,748.91x = 745,058,345,017,682.38
  5. Step 5: Solve for x
    x = 745,058,345,017,682.38/31,349,748.91
  6. Step 6: Final answer
    x = 23,766,006.78

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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.