Home / 20,360,701.08-28,098,349-12,413,702.12

Finding the Fourth Proportional to 20,360,701.08, 28,098,349 and 12,413,702.12

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Solution

The fourth proportional to 20,360,701.08, 28,098,349 and 12,413,702.12 is: 17,131,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,701.08 : 28,098,349 = 12,413,702.12 : x
  2. Step 2: Convert to fraction form
    20,360,701.08/28,098,349 = 12,413,702.12/x
  3. Step 3: Cross multiply
    20,360,701.08x = 28,098,349 × 12,413,702.12
  4. Step 4: Simplify right side
    20,360,701.08x = 348,804,534,549,799.88
  5. Step 5: Solve for x
    x = 348,804,534,549,799.88/20,360,701.08
  6. Step 6: Final answer
    x = 17,131,263.47

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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.