Home / 35,453,459.76-48,929,535.92-20,781,453.24

Finding the Fourth Proportional to 35,453,459.76, 48,929,535.92 and 20,781,453.24

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Solution

The fourth proportional to 35,453,459.76, 48,929,535.92 and 20,781,453.24 is: 28,680,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453,459.76 : 48,929,535.92 = 20,781,453.24 : x
  2. Step 2: Convert to fraction form
    35,453,459.76/48,929,535.92 = 20,781,453.24/x
  3. Step 3: Cross multiply
    35,453,459.76x = 48,929,535.92 × 20,781,453.24
  4. Step 4: Simplify right side
    35,453,459.76x = 1,016,826,862,776,380.38
  5. Step 5: Solve for x
    x = 1,016,826,862,776,380.38/35,453,459.76
  6. Step 6: Final answer
    x = 28,680,610.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.