Home / 17,472,013.60-26,208,020.40-15,645,431.20

Finding the Fourth Proportional to 17,472,013.60, 26,208,020.40 and 15,645,431.20

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Solution

The fourth proportional to 17,472,013.60, 26,208,020.40 and 15,645,431.20 is: 23,468,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,472,013.60 : 26,208,020.40 = 15,645,431.20 : x
  2. Step 2: Convert to fraction form
    17,472,013.60/26,208,020.40 = 15,645,431.20/x
  3. Step 3: Cross multiply
    17,472,013.60x = 26,208,020.40 × 15,645,431.20
  4. Step 4: Simplify right side
    17,472,013.60x = 410,035,780,056,396.44
  5. Step 5: Solve for x
    x = 410,035,780,056,396.44/17,472,013.60
  6. Step 6: Final answer
    x = 23,468,146.80

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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.