Home / 19,541,881.80-29,323,320.30-8,183,478.60

Finding the Fourth Proportional to 19,541,881.80, 29,323,320.30 and 8,183,478.60

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Solution

The fourth proportional to 19,541,881.80, 29,323,320.30 and 8,183,478.60 is: 12,279,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541,881.80 : 29,323,320.30 = 8,183,478.60 : x
  2. Step 2: Convert to fraction form
    19,541,881.80/29,323,320.30 = 8,183,478.60/x
  3. Step 3: Cross multiply
    19,541,881.80x = 29,323,320.30 × 8,183,478.60
  4. Step 4: Simplify right side
    19,541,881.80x = 239,966,764,155,995.56
  5. Step 5: Solve for x
    x = 239,966,764,155,995.56/19,541,881.80
  6. Step 6: Final answer
    x = 12,279,613.94

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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.