Home / 8,589,156.64-12,883,397.74-2,909,380.72

Finding the Fourth Proportional to 8,589,156.64, 12,883,397.74 and 2,909,380.72

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Solution

The fourth proportional to 8,589,156.64, 12,883,397.74 and 2,909,380.72 is: 4,363,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589,156.64 : 12,883,397.74 = 2,909,380.72 : x
  2. Step 2: Convert to fraction form
    8,589,156.64/12,883,397.74 = 2,909,380.72/x
  3. Step 3: Cross multiply
    8,589,156.64x = 12,883,397.74 × 2,909,380.72
  4. Step 4: Simplify right side
    8,589,156.64x = 37,482,708,992,847.58
  5. Step 5: Solve for x
    x = 37,482,708,992,847.58/8,589,156.64
  6. Step 6: Final answer
    x = 4,363,956.85

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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.