Home / 7,175,003.69-9,901,498.12-3,911,817.58

Finding the Fourth Proportional to 7,175,003.69, 9,901,498.12 and 3,911,817.58

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Solution

The fourth proportional to 7,175,003.69, 9,901,498.12 and 3,911,817.58 is: 5,398,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,003.69 : 9,901,498.12 = 3,911,817.58 : x
  2. Step 2: Convert to fraction form
    7,175,003.69/9,901,498.12 = 3,911,817.58/x
  3. Step 3: Cross multiply
    7,175,003.69x = 9,901,498.12 × 3,911,817.58
  4. Step 4: Simplify right side
    7,175,003.69x = 38,732,854,379,619.66
  5. Step 5: Solve for x
    x = 38,732,854,379,619.66/7,175,003.69
  6. Step 6: Final answer
    x = 5,398,304.45

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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.