Home / 20,010,872.40-30,044,302.20-12,452,600.40

Finding the Fourth Proportional to 20,010,872.40, 30,044,302.20 and 12,452,600.40

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Solution

The fourth proportional to 20,010,872.40, 30,044,302.20 and 12,452,600.40 is: 18,696,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010,872.40 : 30,044,302.20 = 12,452,600.40 : x
  2. Step 2: Convert to fraction form
    20,010,872.40/30,044,302.20 = 12,452,600.40/x
  3. Step 3: Cross multiply
    20,010,872.40x = 30,044,302.20 × 12,452,600.40
  4. Step 4: Simplify right side
    20,010,872.40x = 374,129,689,593,440.88
  5. Step 5: Solve for x
    x = 374,129,689,593,440.88/20,010,872.40
  6. Step 6: Final answer
    x = 18,696,320.79

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1.5x scale

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.