Home / 15,565,820.70-23,348,731.05-8,391,367.20

Finding the Fourth Proportional to 15,565,820.70, 23,348,731.05 and 8,391,367.20

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Solution

The fourth proportional to 15,565,820.70, 23,348,731.05 and 8,391,367.20 is: 12,587,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565,820.70 : 23,348,731.05 = 8,391,367.20 : x
  2. Step 2: Convert to fraction form
    15,565,820.70/23,348,731.05 = 8,391,367.20/x
  3. Step 3: Cross multiply
    15,565,820.70x = 23,348,731.05 × 8,391,367.20
  4. Step 4: Simplify right side
    15,565,820.70x = 195,927,775,894,591.56
  5. Step 5: Solve for x
    x = 195,927,775,894,591.56/15,565,820.70
  6. Step 6: Final answer
    x = 12,587,050.80

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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.