Home / 28,591,702.44-39,456,854.16-15,538,962.03

Finding the Fourth Proportional to 28,591,702.44, 39,456,854.16 and 15,538,962.03

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Solution

The fourth proportional to 28,591,702.44, 39,456,854.16 and 15,538,962.03 is: 21,443,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,591,702.44 : 39,456,854.16 = 15,538,962.03 : x
  2. Step 2: Convert to fraction form
    28,591,702.44/39,456,854.16 = 15,538,962.03/x
  3. Step 3: Cross multiply
    28,591,702.44x = 39,456,854.16 × 15,538,962.03
  4. Step 4: Simplify right side
    28,591,702.44x = 613,118,558,340,508.50
  5. Step 5: Solve for x
    x = 613,118,558,340,508.50/28,591,702.44
  6. Step 6: Final answer
    x = 21,443,933.24

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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.