Home / 12,229,282.40-16,876,820.67-7,199,124.24

Finding the Fourth Proportional to 12,229,282.40, 16,876,820.67 and 7,199,124.24

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Solution

The fourth proportional to 12,229,282.40, 16,876,820.67 and 7,199,124.24 is: 9,935,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229,282.40 : 16,876,820.67 = 7,199,124.24 : x
  2. Step 2: Convert to fraction form
    12,229,282.40/16,876,820.67 = 7,199,124.24/x
  3. Step 3: Cross multiply
    12,229,282.40x = 16,876,820.67 × 7,199,124.24
  4. Step 4: Simplify right side
    12,229,282.40x = 121,498,328,815,821.42
  5. Step 5: Solve for x
    x = 121,498,328,815,821.42/12,229,282.40
  6. Step 6: Final answer
    x = 9,935,033.38

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1.5x scale

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.