Home / 15,034,042.76-20,746,992.33-8,158,524.80

Finding the Fourth Proportional to 15,034,042.76, 20,746,992.33 and 8,158,524.80

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Solution

The fourth proportional to 15,034,042.76, 20,746,992.33 and 8,158,524.80 is: 11,258,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034,042.76 : 20,746,992.33 = 8,158,524.80 : x
  2. Step 2: Convert to fraction form
    15,034,042.76/20,746,992.33 = 8,158,524.80/x
  3. Step 3: Cross multiply
    15,034,042.76x = 20,746,992.33 × 8,158,524.80
  4. Step 4: Simplify right side
    15,034,042.76x = 169,264,851,345,979.81
  5. Step 5: Solve for x
    x = 169,264,851,345,979.81/15,034,042.76
  6. Step 6: Final answer
    x = 11,258,771.45

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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.