Home / 21,860,445.40-32,802,016.50-8,916,092.68

Finding the Fourth Proportional to 21,860,445.40, 32,802,016.50 and 8,916,092.68

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Solution

The fourth proportional to 21,860,445.40, 32,802,016.50 and 8,916,092.68 is: 13,378,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,445.40 : 32,802,016.50 = 8,916,092.68 : x
  2. Step 2: Convert to fraction form
    21,860,445.40/32,802,016.50 = 8,916,092.68/x
  3. Step 3: Cross multiply
    21,860,445.40x = 32,802,016.50 × 8,916,092.68
  4. Step 4: Simplify right side
    21,860,445.40x = 292,465,819,204,889.19
  5. Step 5: Solve for x
    x = 292,465,819,204,889.19/21,860,445.40
  6. Step 6: Final answer
    x = 13,378,767.63

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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.