Home / 27,278,124.30-40,917,186.45-20,103,670.80

Finding the Fourth Proportional to 27,278,124.30, 40,917,186.45 and 20,103,670.80

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Solution

The fourth proportional to 27,278,124.30, 40,917,186.45 and 20,103,670.80 is: 30,155,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278,124.30 : 40,917,186.45 = 20,103,670.80 : x
  2. Step 2: Convert to fraction form
    27,278,124.30/40,917,186.45 = 20,103,670.80/x
  3. Step 3: Cross multiply
    27,278,124.30x = 40,917,186.45 × 20,103,670.80
  4. Step 4: Simplify right side
    27,278,124.30x = 822,585,646,453,020.75
  5. Step 5: Solve for x
    x = 822,585,646,453,020.75/27,278,124.30
  6. Step 6: Final answer
    x = 30,155,506.20

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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.