Home / 28,312,854.62-42,377,939.13-14,647,182.82

Finding the Fourth Proportional to 28,312,854.62, 42,377,939.13 and 14,647,182.82

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Solution

The fourth proportional to 28,312,854.62, 42,377,939.13 and 14,647,182.82 is: 21,923,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312,854.62 : 42,377,939.13 = 14,647,182.82 : x
  2. Step 2: Convert to fraction form
    28,312,854.62/42,377,939.13 = 14,647,182.82/x
  3. Step 3: Cross multiply
    28,312,854.62x = 42,377,939.13 × 14,647,182.82
  4. Step 4: Simplify right side
    28,312,854.62x = 620,717,421,920,923.88
  5. Step 5: Solve for x
    x = 620,717,421,920,923.88/28,312,854.62
  6. Step 6: Final answer
    x = 21,923,519.56

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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.