Home / 8,195,434.80-12,293,152.20-5,364,279.60

Finding the Fourth Proportional to 8,195,434.80, 12,293,152.20 and 5,364,279.60

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Solution

The fourth proportional to 8,195,434.80, 12,293,152.20 and 5,364,279.60 is: 8,046,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195,434.80 : 12,293,152.20 = 5,364,279.60 : x
  2. Step 2: Convert to fraction form
    8,195,434.80/12,293,152.20 = 5,364,279.60/x
  3. Step 3: Cross multiply
    8,195,434.80x = 12,293,152.20 × 5,364,279.60
  4. Step 4: Simplify right side
    8,195,434.80x = 65,943,905,566,155.11
  5. Step 5: Solve for x
    x = 65,943,905,566,155.11/8,195,434.80
  6. Step 6: Final answer
    x = 8,046,419.40

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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.