Home / 18,375,475.64-27,561,112.11-4,913,353.40

Finding the Fourth Proportional to 18,375,475.64, 27,561,112.11 and 4,913,353.40

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Solution

The fourth proportional to 18,375,475.64, 27,561,112.11 and 4,913,353.40 is: 7,369,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375,475.64 : 27,561,112.11 = 4,913,353.40 : x
  2. Step 2: Convert to fraction form
    18,375,475.64/27,561,112.11 = 4,913,353.40/x
  3. Step 3: Cross multiply
    18,375,475.64x = 27,561,112.11 × 4,913,353.40
  4. Step 4: Simplify right side
    18,375,475.64x = 135,417,483,755,644.09
  5. Step 5: Solve for x
    x = 135,417,483,755,644.09/18,375,475.64
  6. Step 6: Final answer
    x = 7,369,468.22

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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.