Home / 31,718,429.04-43,770,581.73-18,666,456.78

Finding the Fourth Proportional to 31,718,429.04, 43,770,581.73 and 18,666,456.78

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Solution

The fourth proportional to 31,718,429.04, 43,770,581.73 and 18,666,456.78 is: 25,759,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718,429.04 : 43,770,581.73 = 18,666,456.78 : x
  2. Step 2: Convert to fraction form
    31,718,429.04/43,770,581.73 = 18,666,456.78/x
  3. Step 3: Cross multiply
    31,718,429.04x = 43,770,581.73 × 18,666,456.78
  4. Step 4: Simplify right side
    31,718,429.04x = 817,041,672,098,502.62
  5. Step 5: Solve for x
    x = 817,041,672,098,502.62/31,718,429.04
  6. Step 6: Final answer
    x = 25,759,209.92

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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.