Home / 30,902,538.96-42,650,781.60-17,847,451.44

Finding the Fourth Proportional to 30,902,538.96, 42,650,781.60 and 17,847,451.44

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Solution

The fourth proportional to 30,902,538.96, 42,650,781.60 and 17,847,451.44 is: 24,632,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902,538.96 : 42,650,781.60 = 17,847,451.44 : x
  2. Step 2: Convert to fraction form
    30,902,538.96/42,650,781.60 = 17,847,451.44/x
  3. Step 3: Cross multiply
    30,902,538.96x = 42,650,781.60 × 17,847,451.44
  4. Step 4: Simplify right side
    30,902,538.96x = 761,207,753,484,045.62
  5. Step 5: Solve for x
    x = 761,207,753,484,045.62/30,902,538.96
  6. Step 6: Final answer
    x = 24,632,531.15

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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.