Home / 15,398,479.20-23,097,718.80-8,207,234.40

Finding the Fourth Proportional to 15,398,479.20, 23,097,718.80 and 8,207,234.40

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Solution

The fourth proportional to 15,398,479.20, 23,097,718.80 and 8,207,234.40 is: 12,310,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,398,479.20 : 23,097,718.80 = 8,207,234.40 : x
  2. Step 2: Convert to fraction form
    15,398,479.20/23,097,718.80 = 8,207,234.40/x
  3. Step 3: Cross multiply
    15,398,479.20x = 23,097,718.80 × 8,207,234.40
  4. Step 4: Simplify right side
    15,398,479.20x = 189,568,392,296,886.75
  5. Step 5: Solve for x
    x = 189,568,392,296,886.75/15,398,479.20
  6. Step 6: Final answer
    x = 12,310,851.60

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Similar ratio
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1.5x scale

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.