Home / 12,849,540.40-19,236,441.30-11,255,217.40

Finding the Fourth Proportional to 12,849,540.40, 19,236,441.30 and 11,255,217.40

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Solution

The fourth proportional to 12,849,540.40, 19,236,441.30 and 11,255,217.40 is: 16,849,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849,540.40 : 19,236,441.30 = 11,255,217.40 : x
  2. Step 2: Convert to fraction form
    12,849,540.40/19,236,441.30 = 11,255,217.40/x
  3. Step 3: Cross multiply
    12,849,540.40x = 19,236,441.30 × 11,255,217.40
  4. Step 4: Simplify right side
    12,849,540.40x = 216,510,328,833,838.62
  5. Step 5: Solve for x
    x = 216,510,328,833,838.62/12,849,540.40
  6. Step 6: Final answer
    x = 16,849,655.48

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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.