Home / 15,510,849.60-23,276,902.56-5,413,470.72

Finding the Fourth Proportional to 15,510,849.60, 23,276,902.56 and 5,413,470.72

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Solution

The fourth proportional to 15,510,849.60, 23,276,902.56 and 5,413,470.72 is: 8,123,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510,849.60 : 23,276,902.56 = 5,413,470.72 : x
  2. Step 2: Convert to fraction form
    15,510,849.60/23,276,902.56 = 5,413,470.72/x
  3. Step 3: Cross multiply
    15,510,849.60x = 23,276,902.56 × 5,413,470.72
  4. Step 4: Simplify right side
    15,510,849.60x = 126,008,830,460,853.03
  5. Step 5: Solve for x
    x = 126,008,830,460,853.03/15,510,849.60
  6. Step 6: Final answer
    x = 8,123,915.43

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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.