Home / 21,132,510.60-31,702,747.86-8,005,860.39

Finding the Fourth Proportional to 21,132,510.60, 31,702,747.86 and 8,005,860.39

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Solution

The fourth proportional to 21,132,510.60, 31,702,747.86 and 8,005,860.39 is: 12,010,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,132,510.60 : 31,702,747.86 = 8,005,860.39 : x
  2. Step 2: Convert to fraction form
    21,132,510.60/31,702,747.86 = 8,005,860.39/x
  3. Step 3: Cross multiply
    21,132,510.60x = 31,702,747.86 × 8,005,860.39
  4. Step 4: Simplify right side
    21,132,510.60x = 253,807,773,346,531.25
  5. Step 5: Solve for x
    x = 253,807,773,346,531.25/21,132,510.60
  6. Step 6: Final answer
    x = 12,010,299.11

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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.