Home / 21,425,932.19-29,569,609.94-12,135,155.01

Finding the Fourth Proportional to 21,425,932.19, 29,569,609.94 and 12,135,155.01

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Solution

The fourth proportional to 21,425,932.19, 29,569,609.94 and 12,135,155.01 is: 16,747,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425,932.19 : 29,569,609.94 = 12,135,155.01 : x
  2. Step 2: Convert to fraction form
    21,425,932.19/29,569,609.94 = 12,135,155.01/x
  3. Step 3: Cross multiply
    21,425,932.19x = 29,569,609.94 × 12,135,155.01
  4. Step 4: Simplify right side
    21,425,932.19x = 358,831,800,146,461
  5. Step 5: Solve for x
    x = 358,831,800,146,461/21,425,932.19
  6. Step 6: Final answer
    x = 16,747,546.71

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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.