Home / 13,006,229.60-19,509,344.40-8,198,328.80

Finding the Fourth Proportional to 13,006,229.60, 19,509,344.40 and 8,198,328.80

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Solution

The fourth proportional to 13,006,229.60, 19,509,344.40 and 8,198,328.80 is: 12,297,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006,229.60 : 19,509,344.40 = 8,198,328.80 : x
  2. Step 2: Convert to fraction form
    13,006,229.60/19,509,344.40 = 8,198,328.80/x
  3. Step 3: Cross multiply
    13,006,229.60x = 19,509,344.40 × 8,198,328.80
  4. Step 4: Simplify right side
    13,006,229.60x = 159,944,020,063,638.72
  5. Step 5: Solve for x
    x = 159,944,020,063,638.72/13,006,229.60
  6. Step 6: Final answer
    x = 12,297,493.20

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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.