Home / 20,684,295.60-31,026,443.40-5,538,227.10

Finding the Fourth Proportional to 20,684,295.60, 31,026,443.40 and 5,538,227.10

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Solution

The fourth proportional to 20,684,295.60, 31,026,443.40 and 5,538,227.10 is: 8,307,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684,295.60 : 31,026,443.40 = 5,538,227.10 : x
  2. Step 2: Convert to fraction form
    20,684,295.60/31,026,443.40 = 5,538,227.10/x
  3. Step 3: Cross multiply
    20,684,295.60x = 31,026,443.40 × 5,538,227.10
  4. Step 4: Simplify right side
    20,684,295.60x = 171,831,489,654,496.12
  5. Step 5: Solve for x
    x = 171,831,489,654,496.12/20,684,295.60
  6. Step 6: Final answer
    x = 8,307,340.65

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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.