Home / 8,193,607.60-12,290,411.40-5,642,690.80

Finding the Fourth Proportional to 8,193,607.60, 12,290,411.40 and 5,642,690.80

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Solution

The fourth proportional to 8,193,607.60, 12,290,411.40 and 5,642,690.80 is: 8,464,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193,607.60 : 12,290,411.40 = 5,642,690.80 : x
  2. Step 2: Convert to fraction form
    8,193,607.60/12,290,411.40 = 5,642,690.80/x
  3. Step 3: Cross multiply
    8,193,607.60x = 12,290,411.40 × 5,642,690.80
  4. Step 4: Simplify right side
    8,193,607.60x = 69,350,991,334,995.12
  5. Step 5: Solve for x
    x = 69,350,991,334,995.12/8,193,607.60
  6. Step 6: Final answer
    x = 8,464,036.20

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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.