Home / 30,894,841.05-42,636,873.56-17,143,805.18

Finding the Fourth Proportional to 30,894,841.05, 42,636,873.56 and 17,143,805.18

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Solution

The fourth proportional to 30,894,841.05, 42,636,873.56 and 17,143,805.18 is: 23,659,557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,894,841.05 : 42,636,873.56 = 17,143,805.18 : x
  2. Step 2: Convert to fraction form
    30,894,841.05/42,636,873.56 = 17,143,805.18/x
  3. Step 3: Cross multiply
    30,894,841.05x = 42,636,873.56 × 17,143,805.18
  4. Step 4: Simplify right side
    30,894,841.05x = 730,958,253,498,029.62
  5. Step 5: Solve for x
    x = 730,958,253,498,029.62/30,894,841.05
  6. Step 6: Final answer
    x = 23,659,557.02

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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.