Home / 28,179,175.14-42,269,151.51-7,984,397.70

Finding the Fourth Proportional to 28,179,175.14, 42,269,151.51 and 7,984,397.70

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Solution

The fourth proportional to 28,179,175.14, 42,269,151.51 and 7,984,397.70 is: 11,976,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,179,175.14 : 42,269,151.51 = 7,984,397.70 : x
  2. Step 2: Convert to fraction form
    28,179,175.14/42,269,151.51 = 7,984,397.70/x
  3. Step 3: Cross multiply
    28,179,175.14x = 42,269,151.51 × 7,984,397.70
  4. Step 4: Simplify right side
    28,179,175.14x = 337,493,716,097,395.50
  5. Step 5: Solve for x
    x = 337,493,716,097,395.50/28,179,175.14
  6. Step 6: Final answer
    x = 11,976,706.71

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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.