Home / 28,541,175.42-39,386,847.83-15,488,434.47

Finding the Fourth Proportional to 28,541,175.42, 39,386,847.83 and 15,488,434.47

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Solution

The fourth proportional to 28,541,175.42, 39,386,847.83 and 15,488,434.47 is: 21,374,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541,175.42 : 39,386,847.83 = 15,488,434.47 : x
  2. Step 2: Convert to fraction form
    28,541,175.42/39,386,847.83 = 15,488,434.47/x
  3. Step 3: Cross multiply
    28,541,175.42x = 39,386,847.83 × 15,488,434.47
  4. Step 4: Simplify right side
    28,541,175.42x = 610,040,611,468,872.25
  5. Step 5: Solve for x
    x = 610,040,611,468,872.25/28,541,175.42
  6. Step 6: Final answer
    x = 21,374,053.54

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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.