Home / 8,853,206.60-12,217,259.20-5,415,195.08

Finding the Fourth Proportional to 8,853,206.60, 12,217,259.20 and 5,415,195.08

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Solution

The fourth proportional to 8,853,206.60, 12,217,259.20 and 5,415,195.08 is: 7,472,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853,206.60 : 12,217,259.20 = 5,415,195.08 : x
  2. Step 2: Convert to fraction form
    8,853,206.60/12,217,259.20 = 5,415,195.08/x
  3. Step 3: Cross multiply
    8,853,206.60x = 12,217,259.20 × 5,415,195.08
  4. Step 4: Simplify right side
    8,853,206.60x = 66,158,841,910,924.73
  5. Step 5: Solve for x
    x = 66,158,841,910,924.73/8,853,206.60
  6. Step 6: Final answer
    x = 7,472,867.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.