Home / 15,661,386.15-23,492,079.23-8,486,932.65

Finding the Fourth Proportional to 15,661,386.15, 23,492,079.23 and 8,486,932.65

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Solution

The fourth proportional to 15,661,386.15, 23,492,079.23 and 8,486,932.65 is: 12,730,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661,386.15 : 23,492,079.23 = 8,486,932.65 : x
  2. Step 2: Convert to fraction form
    15,661,386.15/23,492,079.23 = 8,486,932.65/x
  3. Step 3: Cross multiply
    15,661,386.15x = 23,492,079.23 × 8,486,932.65
  4. Step 4: Simplify right side
    15,661,386.15x = 199,375,694,191,039.22
  5. Step 5: Solve for x
    x = 199,375,694,191,039.22/15,661,386.15
  6. Step 6: Final answer
    x = 12,730,398.98

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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.