Home / 31,506,626.43-43,478,070.23-17,378,372.70

Finding the Fourth Proportional to 31,506,626.43, 43,478,070.23 and 17,378,372.70

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Solution

The fourth proportional to 31,506,626.43, 43,478,070.23 and 17,378,372.70 is: 23,981,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,626.43 : 43,478,070.23 = 17,378,372.70 : x
  2. Step 2: Convert to fraction form
    31,506,626.43/43,478,070.23 = 17,378,372.70/x
  3. Step 3: Cross multiply
    31,506,626.43x = 43,478,070.23 × 17,378,372.70
  4. Step 4: Simplify right side
    31,506,626.43x = 755,578,108,646,822.88
  5. Step 5: Solve for x
    x = 755,578,108,646,822.88/31,506,626.43
  6. Step 6: Final answer
    x = 23,981,561.79

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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.