Home / 19,836,661.50-29,766,471.98-8,321,097.45

Finding the Fourth Proportional to 19,836,661.50, 29,766,471.98 and 8,321,097.45

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Solution

The fourth proportional to 19,836,661.50, 29,766,471.98 and 8,321,097.45 is: 12,486,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836,661.50 : 29,766,471.98 = 8,321,097.45 : x
  2. Step 2: Convert to fraction form
    19,836,661.50/29,766,471.98 = 8,321,097.45/x
  3. Step 3: Cross multiply
    19,836,661.50x = 29,766,471.98 × 8,321,097.45
  4. Step 4: Simplify right side
    19,836,661.50x = 247,689,714,046,668.97
  5. Step 5: Solve for x
    x = 247,689,714,046,668.97/19,836,661.50
  6. Step 6: Final answer
    x = 12,486,461.70

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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.