Home / 12,611,449.30-17,385,585.51-8,983,478.74

Finding the Fourth Proportional to 12,611,449.30, 17,385,585.51 and 8,983,478.74

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Solution

The fourth proportional to 12,611,449.30, 17,385,585.51 and 8,983,478.74 is: 12,384,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611,449.30 : 17,385,585.51 = 8,983,478.74 : x
  2. Step 2: Convert to fraction form
    12,611,449.30/17,385,585.51 = 8,983,478.74/x
  3. Step 3: Cross multiply
    12,611,449.30x = 17,385,585.51 × 8,983,478.74
  4. Step 4: Simplify right side
    12,611,449.30x = 156,183,037,811,537.06
  5. Step 5: Solve for x
    x = 156,183,037,811,537.06/12,611,449.30
  6. Step 6: Final answer
    x = 12,384,225.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.