Home / 8,353,513.20-12,542,079.60-5,164,867.20

Finding the Fourth Proportional to 8,353,513.20, 12,542,079.60 and 5,164,867.20

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Solution

The fourth proportional to 8,353,513.20, 12,542,079.60 and 5,164,867.20 is: 7,754,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,513.20 : 12,542,079.60 = 5,164,867.20 : x
  2. Step 2: Convert to fraction form
    8,353,513.20/12,542,079.60 = 5,164,867.20/x
  3. Step 3: Cross multiply
    8,353,513.20x = 12,542,079.60 × 5,164,867.20
  4. Step 4: Simplify right side
    8,353,513.20x = 64,778,175,545,829.12
  5. Step 5: Solve for x
    x = 64,778,175,545,829.12/8,353,513.20
  6. Step 6: Final answer
    x = 7,754,602.64

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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.