Home / 8,589,155.64-12,883,396.24-2,909,379.72

Finding the Fourth Proportional to 8,589,155.64, 12,883,396.24 and 2,909,379.72

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Solution

The fourth proportional to 8,589,155.64, 12,883,396.24 and 2,909,379.72 is: 4,363,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589,155.64 : 12,883,396.24 = 2,909,379.72 : x
  2. Step 2: Convert to fraction form
    8,589,155.64/12,883,396.24 = 2,909,379.72/x
  3. Step 3: Cross multiply
    8,589,155.64x = 12,883,396.24 × 2,909,379.72
  4. Step 4: Simplify right side
    8,589,155.64x = 37,482,691,745,380.26
  5. Step 5: Solve for x
    x = 37,482,691,745,380.26/8,589,155.64
  6. Step 6: Final answer
    x = 4,363,955.35

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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.