Home / 8,353,497.20-12,542,055.60-5,164,851.20

Finding the Fourth Proportional to 8,353,497.20, 12,542,055.60 and 5,164,851.20

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Solution

The fourth proportional to 8,353,497.20, 12,542,055.60 and 5,164,851.20 is: 7,754,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,497.20 : 12,542,055.60 = 5,164,851.20 : x
  2. Step 2: Convert to fraction form
    8,353,497.20/12,542,055.60 = 5,164,851.20/x
  3. Step 3: Cross multiply
    8,353,497.20x = 12,542,055.60 × 5,164,851.20
  4. Step 4: Simplify right side
    8,353,497.20x = 64,777,850,916,126.72
  5. Step 5: Solve for x
    x = 64,777,850,916,126.72/8,353,497.20
  6. Step 6: Final answer
    x = 7,754,578.64

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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.