Home / 30,802,710.28-42,510,100.62-17,572,178.20

Finding the Fourth Proportional to 30,802,710.28, 42,510,100.62 and 17,572,178.20

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Solution

The fourth proportional to 30,802,710.28, 42,510,100.62 and 17,572,178.20 is: 24,250,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,710.28 : 42,510,100.62 = 17,572,178.20 : x
  2. Step 2: Convert to fraction form
    30,802,710.28/42,510,100.62 = 17,572,178.20/x
  3. Step 3: Cross multiply
    30,802,710.28x = 42,510,100.62 × 17,572,178.20
  4. Step 4: Simplify right side
    30,802,710.28x = 746,995,063,394,570.38
  5. Step 5: Solve for x
    x = 746,995,063,394,570.38/30,802,710.28
  6. Step 6: Final answer
    x = 24,250,952.48

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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.