Home / 20,787,675.30-31,146,083.55-17,740,746.90

Finding the Fourth Proportional to 20,787,675.30, 31,146,083.55 and 17,740,746.90

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Solution

The fourth proportional to 20,787,675.30, 31,146,083.55 and 17,740,746.90 is: 26,580,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,787,675.30 : 31,146,083.55 = 17,740,746.90 : x
  2. Step 2: Convert to fraction form
    20,787,675.30/31,146,083.55 = 17,740,746.90/x
  3. Step 3: Cross multiply
    20,787,675.30x = 31,146,083.55 × 17,740,746.90
  4. Step 4: Simplify right side
    20,787,675.30x = 552,554,785,186,803.44
  5. Step 5: Solve for x
    x = 552,554,785,186,803.44/20,787,675.30
  6. Step 6: Final answer
    x = 26,580,883.97

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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.