Home / 8,532,145.40-12,798,218.10-6,264,663.80

Finding the Fourth Proportional to 8,532,145.40, 12,798,218.10 and 6,264,663.80

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Solution

The fourth proportional to 8,532,145.40, 12,798,218.10 and 6,264,663.80 is: 9,396,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532,145.40 : 12,798,218.10 = 6,264,663.80 : x
  2. Step 2: Convert to fraction form
    8,532,145.40/12,798,218.10 = 6,264,663.80/x
  3. Step 3: Cross multiply
    8,532,145.40x = 12,798,218.10 × 6,264,663.80
  4. Step 4: Simplify right side
    8,532,145.40x = 80,176,533,635,574.78
  5. Step 5: Solve for x
    x = 80,176,533,635,574.78/8,532,145.40
  6. Step 6: Final answer
    x = 9,396,995.70

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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.