Home / 29,083,857.12-40,120,963.20-22,196,381.76

Finding the Fourth Proportional to 29,083,857.12, 40,120,963.20 and 22,196,381.76

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Solution

The fourth proportional to 29,083,857.12, 40,120,963.20 and 22,196,381.76 is: 30,619,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,083,857.12 : 40,120,963.20 = 22,196,381.76 : x
  2. Step 2: Convert to fraction form
    29,083,857.12/40,120,963.20 = 22,196,381.76/x
  3. Step 3: Cross multiply
    29,083,857.12x = 40,120,963.20 × 22,196,381.76
  4. Step 4: Simplify right side
    29,083,857.12x = 890,540,215,766,111.38
  5. Step 5: Solve for x
    x = 890,540,215,766,111.38/29,083,857.12
  6. Step 6: Final answer
    x = 30,619,742.49

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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.