Home / 27,188,423.60-40,782,635.40-16,438,881.20

Finding the Fourth Proportional to 27,188,423.60, 40,782,635.40 and 16,438,881.20

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Solution

The fourth proportional to 27,188,423.60, 40,782,635.40 and 16,438,881.20 is: 24,658,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188,423.60 : 40,782,635.40 = 16,438,881.20 : x
  2. Step 2: Convert to fraction form
    27,188,423.60/40,782,635.40 = 16,438,881.20/x
  3. Step 3: Cross multiply
    27,188,423.60x = 40,782,635.40 × 16,438,881.20
  4. Step 4: Simplify right side
    27,188,423.60x = 670,420,898,363,514.38
  5. Step 5: Solve for x
    x = 670,420,898,363,514.38/27,188,423.60
  6. Step 6: Final answer
    x = 24,658,321.80

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1.5x scale

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.