Home / 18,614,535.40-27,921,803.10-13,831,566.40

Finding the Fourth Proportional to 18,614,535.40, 27,921,803.10 and 13,831,566.40

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Solution

The fourth proportional to 18,614,535.40, 27,921,803.10 and 13,831,566.40 is: 20,747,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614,535.40 : 27,921,803.10 = 13,831,566.40 : x
  2. Step 2: Convert to fraction form
    18,614,535.40/27,921,803.10 = 13,831,566.40/x
  3. Step 3: Cross multiply
    18,614,535.40x = 27,921,803.10 × 13,831,566.40
  4. Step 4: Simplify right side
    18,614,535.40x = 386,202,273,585,375.88
  5. Step 5: Solve for x
    x = 386,202,273,585,375.88/18,614,535.40
  6. Step 6: Final answer
    x = 20,747,349.60

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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.