Home / 21,507,363.10-32,223,719.85-18,148,131.10

Finding the Fourth Proportional to 21,507,363.10, 32,223,719.85 and 18,148,131.10

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Solution

The fourth proportional to 21,507,363.10, 32,223,719.85 and 18,148,131.10 is: 27,190,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507,363.10 : 32,223,719.85 = 18,148,131.10 : x
  2. Step 2: Convert to fraction form
    21,507,363.10/32,223,719.85 = 18,148,131.10/x
  3. Step 3: Cross multiply
    21,507,363.10x = 32,223,719.85 × 18,148,131.10
  4. Step 4: Simplify right side
    21,507,363.10x = 584,800,292,367,472.38
  5. Step 5: Solve for x
    x = 584,800,292,367,472.38/21,507,363.10
  6. Step 6: Final answer
    x = 27,190,701.61

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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.