Home / 31,406,182.95-43,334,116.49-18,350,920.17

Finding the Fourth Proportional to 31,406,182.95, 43,334,116.49 and 18,350,920.17

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Solution

The fourth proportional to 31,406,182.95, 43,334,116.49 and 18,350,920.17 is: 25,320,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,406,182.95 : 43,334,116.49 = 18,350,920.17 : x
  2. Step 2: Convert to fraction form
    31,406,182.95/43,334,116.49 = 18,350,920.17/x
  3. Step 3: Cross multiply
    31,406,182.95x = 43,334,116.49 × 18,350,920.17
  4. Step 4: Simplify right side
    31,406,182.95x = 795,220,912,391,348
  5. Step 5: Solve for x
    x = 795,220,912,391,348/31,406,182.95
  6. Step 6: Final answer
    x = 25,320,520.92

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1.5x scale

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.