Home / 18,719,052.60-25,829,917.80-10,981,271.64

Finding the Fourth Proportional to 18,719,052.60, 25,829,917.80 and 10,981,271.64

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Solution

The fourth proportional to 18,719,052.60, 25,829,917.80 and 10,981,271.64 is: 15,152,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,052.60 : 25,829,917.80 = 10,981,271.64 : x
  2. Step 2: Convert to fraction form
    18,719,052.60/25,829,917.80 = 10,981,271.64/x
  3. Step 3: Cross multiply
    18,719,052.60x = 25,829,917.80 × 10,981,271.64
  4. Step 4: Simplify right side
    18,719,052.60x = 283,645,343,800,671.19
  5. Step 5: Solve for x
    x = 283,645,343,800,671.19/18,719,052.60
  6. Step 6: Final answer
    x = 15,152,761.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.