Home / 10,207,623.20-15,334,244.40-8,528,007.20

Finding the Fourth Proportional to 10,207,623.20, 15,334,244.40 and 8,528,007.20

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Solution

The fourth proportional to 10,207,623.20, 15,334,244.40 and 8,528,007.20 is: 12,811,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,623.20 : 15,334,244.40 = 8,528,007.20 : x
  2. Step 2: Convert to fraction form
    10,207,623.20/15,334,244.40 = 8,528,007.20/x
  3. Step 3: Cross multiply
    10,207,623.20x = 15,334,244.40 × 8,528,007.20
  4. Step 4: Simplify right side
    10,207,623.20x = 130,770,546,649,759.67
  5. Step 5: Solve for x
    x = 130,770,546,649,759.67/10,207,623.20
  6. Step 6: Final answer
    x = 12,811,067.19

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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.