Home / 8,147,357.90-12,221,036.85-4,368,221.90

Finding the Fourth Proportional to 8,147,357.90, 12,221,036.85 and 4,368,221.90

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Solution

The fourth proportional to 8,147,357.90, 12,221,036.85 and 4,368,221.90 is: 6,552,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,357.90 : 12,221,036.85 = 4,368,221.90 : x
  2. Step 2: Convert to fraction form
    8,147,357.90/12,221,036.85 = 4,368,221.90/x
  3. Step 3: Cross multiply
    8,147,357.90x = 12,221,036.85 × 4,368,221.90
  4. Step 4: Simplify right side
    8,147,357.90x = 53,384,200,808,877.02
  5. Step 5: Solve for x
    x = 53,384,200,808,877.02/8,147,357.90
  6. Step 6: Final answer
    x = 6,552,332.85

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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.