Home / 31,368,992.70-47,070,207.45-12,200,375.10

Finding the Fourth Proportional to 31,368,992.70, 47,070,207.45 and 12,200,375.10

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Solution

The fourth proportional to 31,368,992.70, 47,070,207.45 and 12,200,375.10 is: 18,307,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368,992.70 : 47,070,207.45 = 12,200,375.10 : x
  2. Step 2: Convert to fraction form
    31,368,992.70/47,070,207.45 = 12,200,375.10/x
  3. Step 3: Cross multiply
    31,368,992.70x = 47,070,207.45 × 12,200,375.10
  4. Step 4: Simplify right side
    31,368,992.70x = 574,274,186,924,814.50
  5. Step 5: Solve for x
    x = 574,274,186,924,814.50/31,368,992.70
  6. Step 6: Final answer
    x = 18,307,064.95

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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.