Home / 14,487,876.31-19,988,909.26-8,684,540.59

Finding the Fourth Proportional to 14,487,876.31, 19,988,909.26 and 8,684,540.59

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Solution

The fourth proportional to 14,487,876.31, 19,988,909.26 and 8,684,540.59 is: 11,982,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,876.31 : 19,988,909.26 = 8,684,540.59 : x
  2. Step 2: Convert to fraction form
    14,487,876.31/19,988,909.26 = 8,684,540.59/x
  3. Step 3: Cross multiply
    14,487,876.31x = 19,988,909.26 × 8,684,540.59
  4. Step 4: Simplify right side
    14,487,876.31x = 173,594,493,818,296.88
  5. Step 5: Solve for x
    x = 173,594,493,818,296.88/14,487,876.31
  6. Step 6: Final answer
    x = 11,982,052.45

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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.