Home / 10,478,178.43-15,717,268.37-2,905,144.39

Finding the Fourth Proportional to 10,478,178.43, 15,717,268.37 and 2,905,144.39

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Solution

The fourth proportional to 10,478,178.43, 15,717,268.37 and 2,905,144.39 is: 4,357,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478,178.43 : 15,717,268.37 = 2,905,144.39 : x
  2. Step 2: Convert to fraction form
    10,478,178.43/15,717,268.37 = 2,905,144.39/x
  3. Step 3: Cross multiply
    10,478,178.43x = 15,717,268.37 × 2,905,144.39
  4. Step 4: Simplify right side
    10,478,178.43x = 45,660,934,016,704.23
  5. Step 5: Solve for x
    x = 45,660,934,016,704.23/10,478,178.43
  6. Step 6: Final answer
    x = 4,357,716.78

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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.