Home / 16,139,620.98-22,272,006.78-8,797,292.55

Finding the Fourth Proportional to 16,139,620.98, 22,272,006.78 and 8,797,292.55

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Solution

The fourth proportional to 16,139,620.98, 22,272,006.78 and 8,797,292.55 is: 12,139,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,139,620.98 : 22,272,006.78 = 8,797,292.55 : x
  2. Step 2: Convert to fraction form
    16,139,620.98/22,272,006.78 = 8,797,292.55/x
  3. Step 3: Cross multiply
    16,139,620.98x = 22,272,006.78 × 8,797,292.55
  4. Step 4: Simplify right side
    16,139,620.98x = 195,933,359,319,243.53
  5. Step 5: Solve for x
    x = 195,933,359,319,243.53/16,139,620.98
  6. Step 6: Final answer
    x = 12,139,898.43

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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.