Home / 19,584,731.20-29,358,434.40-15,264,385.60

Finding the Fourth Proportional to 19,584,731.20, 29,358,434.40 and 15,264,385.60

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Solution

The fourth proportional to 19,584,731.20, 29,358,434.40 and 15,264,385.60 is: 22,882,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,584,731.20 : 29,358,434.40 = 15,264,385.60 : x
  2. Step 2: Convert to fraction form
    19,584,731.20/29,358,434.40 = 15,264,385.60/x
  3. Step 3: Cross multiply
    19,584,731.20x = 29,358,434.40 × 15,264,385.60
  4. Step 4: Simplify right side
    19,584,731.20x = 448,138,463,293,904.62
  5. Step 5: Solve for x
    x = 448,138,463,293,904.62/19,584,731.20
  6. Step 6: Final answer
    x = 22,882,032.88

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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.