Home / 11,278,062.88-16,920,737.60-5,216,770.69

Finding the Fourth Proportional to 11,278,062.88, 16,920,737.60 and 5,216,770.69

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Solution

The fourth proportional to 11,278,062.88, 16,920,737.60 and 5,216,770.69 is: 7,826,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,062.88 : 16,920,737.60 = 5,216,770.69 : x
  2. Step 2: Convert to fraction form
    11,278,062.88/16,920,737.60 = 5,216,770.69/x
  3. Step 3: Cross multiply
    11,278,062.88x = 16,920,737.60 × 5,216,770.69
  4. Step 4: Simplify right side
    11,278,062.88x = 88,271,607,896,475.23
  5. Step 5: Solve for x
    x = 88,271,607,896,475.23/11,278,062.88
  6. Step 6: Final answer
    x = 7,826,841.26

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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.