Home / 40,414,820.98-55,772,475.33-21,829,961.02

Finding the Fourth Proportional to 40,414,820.98, 55,772,475.33 and 21,829,961.02

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Solution

The fourth proportional to 40,414,820.98, 55,772,475.33 and 21,829,961.02 is: 30,125,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,414,820.98 : 55,772,475.33 = 21,829,961.02 : x
  2. Step 2: Convert to fraction form
    40,414,820.98/55,772,475.33 = 21,829,961.02/x
  3. Step 3: Cross multiply
    40,414,820.98x = 55,772,475.33 × 21,829,961.02
  4. Step 4: Simplify right side
    40,414,820.98x = 1,217,510,962,442,811.50
  5. Step 5: Solve for x
    x = 1,217,510,962,442,811.50/40,414,820.98
  6. Step 6: Final answer
    x = 30,125,358.29

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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.