Home / 8,178,465.60-12,268,281.60-2,498,680.80

Finding the Fourth Proportional to 8,178,465.60, 12,268,281.60 and 2,498,680.80

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Solution

The fourth proportional to 8,178,465.60, 12,268,281.60 and 2,498,680.80 is: 3,748,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,465.60 : 12,268,281.60 = 2,498,680.80 : x
  2. Step 2: Convert to fraction form
    8,178,465.60/12,268,281.60 = 2,498,680.80/x
  3. Step 3: Cross multiply
    8,178,465.60x = 12,268,281.60 × 2,498,680.80
  4. Step 4: Simplify right side
    8,178,465.60x = 30,654,519,682,913.28
  5. Step 5: Solve for x
    x = 30,654,519,682,913.28/8,178,465.60
  6. Step 6: Final answer
    x = 3,748,199.38

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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.