Home / 8,236,216.80-12,348,565.20-4,868,690.40

Finding the Fourth Proportional to 8,236,216.80, 12,348,565.20 and 4,868,690.40

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Solution

The fourth proportional to 8,236,216.80, 12,348,565.20 and 4,868,690.40 is: 7,299,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236,216.80 : 12,348,565.20 = 4,868,690.40 : x
  2. Step 2: Convert to fraction form
    8,236,216.80/12,348,565.20 = 4,868,690.40/x
  3. Step 3: Cross multiply
    8,236,216.80x = 12,348,565.20 × 4,868,690.40
  4. Step 4: Simplify right side
    8,236,216.80x = 60,121,340,843,014.08
  5. Step 5: Solve for x
    x = 60,121,340,843,014.08/8,236,216.80
  6. Step 6: Final answer
    x = 7,299,630.68

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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.