Home / 18,954,027.40-28,431,041.10-15,174,891.40

Finding the Fourth Proportional to 18,954,027.40, 28,431,041.10 and 15,174,891.40

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Solution

The fourth proportional to 18,954,027.40, 28,431,041.10 and 15,174,891.40 is: 22,762,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,027.40 : 28,431,041.10 = 15,174,891.40 : x
  2. Step 2: Convert to fraction form
    18,954,027.40/28,431,041.10 = 15,174,891.40/x
  3. Step 3: Cross multiply
    18,954,027.40x = 28,431,041.10 × 15,174,891.40
  4. Step 4: Simplify right side
    18,954,027.40x = 431,437,961,081,436.56
  5. Step 5: Solve for x
    x = 431,437,961,081,436.56/18,954,027.40
  6. Step 6: Final answer
    x = 22,762,337.10

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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.