Home / 14,115,179.40-21,172,769.10-13,831,744.20

Finding the Fourth Proportional to 14,115,179.40, 21,172,769.10 and 13,831,744.20

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Solution

The fourth proportional to 14,115,179.40, 21,172,769.10 and 13,831,744.20 is: 20,747,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115,179.40 : 21,172,769.10 = 13,831,744.20 : x
  2. Step 2: Convert to fraction form
    14,115,179.40/21,172,769.10 = 13,831,744.20/x
  3. Step 3: Cross multiply
    14,115,179.40x = 21,172,769.10 × 13,831,744.20
  4. Step 4: Simplify right side
    14,115,179.40x = 292,856,326,196,864.25
  5. Step 5: Solve for x
    x = 292,856,326,196,864.25/14,115,179.40
  6. Step 6: Final answer
    x = 20,747,616.30

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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.