Home / 9,170,859.60-13,752,790.20-2,778,987.60

Finding the Fourth Proportional to 9,170,859.60, 13,752,790.20 and 2,778,987.60

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Solution

The fourth proportional to 9,170,859.60, 13,752,790.20 and 2,778,987.60 is: 4,167,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170,859.60 : 13,752,790.20 = 2,778,987.60 : x
  2. Step 2: Convert to fraction form
    9,170,859.60/13,752,790.20 = 2,778,987.60/x
  3. Step 3: Cross multiply
    9,170,859.60x = 13,752,790.20 × 2,778,987.60
  4. Step 4: Simplify right side
    9,170,859.60x = 38,218,833,431,201.52
  5. Step 5: Solve for x
    x = 38,218,833,431,201.52/9,170,859.60
  6. Step 6: Final answer
    x = 4,167,421.06

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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.