Home / 30,684,724.38-42,344,876.79-16,933,686.30

Finding the Fourth Proportional to 30,684,724.38, 42,344,876.79 and 16,933,686.30

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Solution

The fourth proportional to 30,684,724.38, 42,344,876.79 and 16,933,686.30 is: 23,368,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,684,724.38 : 42,344,876.79 = 16,933,686.30 : x
  2. Step 2: Convert to fraction form
    30,684,724.38/42,344,876.79 = 16,933,686.30/x
  3. Step 3: Cross multiply
    30,684,724.38x = 42,344,876.79 × 16,933,686.30
  4. Step 4: Simplify right side
    30,684,724.38x = 717,054,859,974,011
  5. Step 5: Solve for x
    x = 717,054,859,974,011/30,684,724.38
  6. Step 6: Final answer
    x = 23,368,463.44

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Double scale
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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.