Home / 21,403,650.60-32,061,930.30-13,291,727.40

Finding the Fourth Proportional to 21,403,650.60, 32,061,930.30 and 13,291,727.40

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Solution

The fourth proportional to 21,403,650.60, 32,061,930.30 and 13,291,727.40 is: 19,910,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403,650.60 : 32,061,930.30 = 13,291,727.40 : x
  2. Step 2: Convert to fraction form
    21,403,650.60/32,061,930.30 = 13,291,727.40/x
  3. Step 3: Cross multiply
    21,403,650.60x = 32,061,930.30 × 13,291,727.40
  4. Step 4: Simplify right side
    21,403,650.60x = 426,158,437,465,400.25
  5. Step 5: Solve for x
    x = 426,158,437,465,400.25/21,403,650.60
  6. Step 6: Final answer
    x = 19,910,549.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.