Home / 30,894,843.35-42,636,876.73-17,143,807.48

Finding the Fourth Proportional to 30,894,843.35, 42,636,876.73 and 17,143,807.48

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Solution

The fourth proportional to 30,894,843.35, 42,636,876.73 and 17,143,807.48 is: 23,659,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,894,843.35 : 42,636,876.73 = 17,143,807.48 : x
  2. Step 2: Convert to fraction form
    30,894,843.35/42,636,876.73 = 17,143,807.48/x
  3. Step 3: Cross multiply
    30,894,843.35x = 42,636,876.73 × 17,143,807.48
  4. Step 4: Simplify right side
    30,894,843.35x = 730,958,406,058,160.12
  5. Step 5: Solve for x
    x = 730,958,406,058,160.12/30,894,843.35
  6. Step 6: Final answer
    x = 23,659,560.20

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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.