Home / 30,876,460.48-42,614,616-17,129,853.28

Finding the Fourth Proportional to 30,876,460.48, 42,614,616 and 17,129,853.28

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Solution

The fourth proportional to 30,876,460.48, 42,614,616 and 17,129,853.28 is: 23,642,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,876,460.48 : 42,614,616 = 17,129,853.28 : x
  2. Step 2: Convert to fraction form
    30,876,460.48/42,614,616 = 17,129,853.28/x
  3. Step 3: Cross multiply
    30,876,460.48x = 42,614,616 × 17,129,853.28
  4. Step 4: Simplify right side
    30,876,460.48x = 729,982,119,663,540.50
  5. Step 5: Solve for x
    x = 729,982,119,663,540.50/30,876,460.48
  6. Step 6: Final answer
    x = 23,642,027.24

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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.