Home / 8,631,051.40-12,945,125.40-3,165,015.88

Finding the Fourth Proportional to 8,631,051.40, 12,945,125.40 and 3,165,015.88

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Solution

The fourth proportional to 8,631,051.40, 12,945,125.40 and 3,165,015.88 is: 4,746,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,051.40 : 12,945,125.40 = 3,165,015.88 : x
  2. Step 2: Convert to fraction form
    8,631,051.40/12,945,125.40 = 3,165,015.88/x
  3. Step 3: Cross multiply
    8,631,051.40x = 12,945,125.40 × 3,165,015.88
  4. Step 4: Simplify right side
    8,631,051.40x = 40,971,527,459,591.35
  5. Step 5: Solve for x
    x = 40,971,527,459,591.35/8,631,051.40
  6. Step 6: Final answer
    x = 4,746,991.48

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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.