Home / 15,502,407.60-23,253,611.40-12,139,489.20

Finding the Fourth Proportional to 15,502,407.60, 23,253,611.40 and 12,139,489.20

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Solution

The fourth proportional to 15,502,407.60, 23,253,611.40 and 12,139,489.20 is: 18,209,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502,407.60 : 23,253,611.40 = 12,139,489.20 : x
  2. Step 2: Convert to fraction form
    15,502,407.60/23,253,611.40 = 12,139,489.20/x
  3. Step 3: Cross multiply
    15,502,407.60x = 23,253,611.40 × 12,139,489.20
  4. Step 4: Simplify right side
    15,502,407.60x = 282,286,964,451,296.88
  5. Step 5: Solve for x
    x = 282,286,964,451,296.88/15,502,407.60
  6. Step 6: Final answer
    x = 18,209,233.80

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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.