Home / 28,722,014.22-39,636,191.52-16,332,108.57

Finding the Fourth Proportional to 28,722,014.22, 39,636,191.52 and 16,332,108.57

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Solution

The fourth proportional to 28,722,014.22, 39,636,191.52 and 16,332,108.57 is: 22,538,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722,014.22 : 39,636,191.52 = 16,332,108.57 : x
  2. Step 2: Convert to fraction form
    28,722,014.22/39,636,191.52 = 16,332,108.57/x
  3. Step 3: Cross multiply
    28,722,014.22x = 39,636,191.52 × 16,332,108.57
  4. Step 4: Simplify right side
    28,722,014.22x = 647,342,583,205,953.38
  5. Step 5: Solve for x
    x = 647,342,583,205,953.38/28,722,014.22
  6. Step 6: Final answer
    x = 22,538,202.87

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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.