Home / 19,120,761.60-28,681,142.40-17,231,193.60

Finding the Fourth Proportional to 19,120,761.60, 28,681,142.40 and 17,231,193.60

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Solution

The fourth proportional to 19,120,761.60, 28,681,142.40 and 17,231,193.60 is: 25,846,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120,761.60 : 28,681,142.40 = 17,231,193.60 : x
  2. Step 2: Convert to fraction form
    19,120,761.60/28,681,142.40 = 17,231,193.60/x
  3. Step 3: Cross multiply
    19,120,761.60x = 28,681,142.40 × 17,231,193.60
  4. Step 4: Simplify right side
    19,120,761.60x = 494,210,317,363,568.69
  5. Step 5: Solve for x
    x = 494,210,317,363,568.69/19,120,761.60
  6. Step 6: Final answer
    x = 25,846,790.40

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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.