Home / 12,600,197.86-18,900,191.14-3,502,268.74

Finding the Fourth Proportional to 12,600,197.86, 18,900,191.14 and 3,502,268.74

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Solution

The fourth proportional to 12,600,197.86, 18,900,191.14 and 3,502,268.74 is: 5,253,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600,197.86 : 18,900,191.14 = 3,502,268.74 : x
  2. Step 2: Convert to fraction form
    12,600,197.86/18,900,191.14 = 3,502,268.74/x
  3. Step 3: Cross multiply
    12,600,197.86x = 18,900,191.14 × 3,502,268.74
  4. Step 4: Simplify right side
    12,600,197.86x = 66,193,548,609,646.97
  5. Step 5: Solve for x
    x = 66,193,548,609,646.97/12,600,197.86
  6. Step 6: Final answer
    x = 5,253,373.74

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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.