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Finding the Fourth Proportional to 9,799,649.20, 14,671,480.20 and 8,791,879.60

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Solution

The fourth proportional to 9,799,649.20, 14,671,480.20 and 8,791,879.60 is: 13,162,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799,649.20 : 14,671,480.20 = 8,791,879.60 : x
  2. Step 2: Convert to fraction form
    9,799,649.20/14,671,480.20 = 8,791,879.60/x
  3. Step 3: Cross multiply
    9,799,649.20x = 14,671,480.20 × 8,791,879.60
  4. Step 4: Simplify right side
    9,799,649.20x = 128,989,887,472,183.91
  5. Step 5: Solve for x
    x = 128,989,887,472,183.91/9,799,649.20
  6. Step 6: Final answer
    x = 13,162,704.59

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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.