Home / 8,520,867.60-12,777,364.80-3,726,088.80

Finding the Fourth Proportional to 8,520,867.60, 12,777,364.80 and 3,726,088.80

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Solution

The fourth proportional to 8,520,867.60, 12,777,364.80 and 3,726,088.80 is: 5,587,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,867.60 : 12,777,364.80 = 3,726,088.80 : x
  2. Step 2: Convert to fraction form
    8,520,867.60/12,777,364.80 = 3,726,088.80/x
  3. Step 3: Cross multiply
    8,520,867.60x = 12,777,364.80 × 3,726,088.80
  4. Step 4: Simplify right side
    8,520,867.60x = 47,609,595,874,794.24
  5. Step 5: Solve for x
    x = 47,609,595,874,794.24/8,520,867.60
  6. Step 6: Final answer
    x = 5,587,411.76

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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.