Home / 9,268,614.50-12,791,441.84-5,139,939.20

Finding the Fourth Proportional to 9,268,614.50, 12,791,441.84 and 5,139,939.20

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Solution

The fourth proportional to 9,268,614.50, 12,791,441.84 and 5,139,939.20 is: 7,093,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268,614.50 : 12,791,441.84 = 5,139,939.20 : x
  2. Step 2: Convert to fraction form
    9,268,614.50/12,791,441.84 = 5,139,939.20/x
  3. Step 3: Cross multiply
    9,268,614.50x = 12,791,441.84 × 5,139,939.20
  4. Step 4: Simplify right side
    9,268,614.50x = 65,747,233,248,279.23
  5. Step 5: Solve for x
    x = 65,747,233,248,279.23/9,268,614.50
  6. Step 6: Final answer
    x = 7,093,534.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.