Home / 31,058,657.62-42,862,865.12-17,119,981.29

Finding the Fourth Proportional to 31,058,657.62, 42,862,865.12 and 17,119,981.29

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Solution

The fourth proportional to 31,058,657.62, 42,862,865.12 and 17,119,981.29 is: 23,626,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,058,657.62 : 42,862,865.12 = 17,119,981.29 : x
  2. Step 2: Convert to fraction form
    31,058,657.62/42,862,865.12 = 17,119,981.29/x
  3. Step 3: Cross multiply
    31,058,657.62x = 42,862,865.12 × 17,119,981.29
  4. Step 4: Simplify right side
    31,058,657.62x = 733,811,448,890,193.50
  5. Step 5: Solve for x
    x = 733,811,448,890,193.50/31,058,657.62
  6. Step 6: Final answer
    x = 23,626,631.19

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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.