Home / 8,168,859.20-12,253,288.80-5,299,077.80

Finding the Fourth Proportional to 8,168,859.20, 12,253,288.80 and 5,299,077.80

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Solution

The fourth proportional to 8,168,859.20, 12,253,288.80 and 5,299,077.80 is: 7,948,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,859.20 : 12,253,288.80 = 5,299,077.80 : x
  2. Step 2: Convert to fraction form
    8,168,859.20/12,253,288.80 = 5,299,077.80/x
  3. Step 3: Cross multiply
    8,168,859.20x = 12,253,288.80 × 5,299,077.80
  4. Step 4: Simplify right side
    8,168,859.20x = 64,931,130,657,068.64
  5. Step 5: Solve for x
    x = 64,931,130,657,068.64/8,168,859.20
  6. Step 6: Final answer
    x = 7,948,616.70

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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.