Home / 8,196,065.60-12,294,098.40-2,516,280.80

Finding the Fourth Proportional to 8,196,065.60, 12,294,098.40 and 2,516,280.80

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Solution

The fourth proportional to 8,196,065.60, 12,294,098.40 and 2,516,280.80 is: 3,774,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,065.60 : 12,294,098.40 = 2,516,280.80 : x
  2. Step 2: Convert to fraction form
    8,196,065.60/12,294,098.40 = 2,516,280.80/x
  3. Step 3: Cross multiply
    8,196,065.60x = 12,294,098.40 × 2,516,280.80
  4. Step 4: Simplify right side
    8,196,065.60x = 30,935,403,757,230.72
  5. Step 5: Solve for x
    x = 30,935,403,757,230.72/8,196,065.60
  6. Step 6: Final answer
    x = 3,774,421.20

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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.