Home / 12,645,886.67-17,451,746.60-7,750,162.74

Finding the Fourth Proportional to 12,645,886.67, 17,451,746.60 and 7,750,162.74

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Solution

The fourth proportional to 12,645,886.67, 17,451,746.60 and 7,750,162.74 is: 10,695,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645,886.67 : 17,451,746.60 = 7,750,162.74 : x
  2. Step 2: Convert to fraction form
    12,645,886.67/17,451,746.60 = 7,750,162.74/x
  3. Step 3: Cross multiply
    12,645,886.67x = 17,451,746.60 × 7,750,162.74
  4. Step 4: Simplify right side
    12,645,886.67x = 135,253,876,175,768.84
  5. Step 5: Solve for x
    x = 135,253,876,175,768.84/12,645,886.67
  6. Step 6: Final answer
    x = 10,695,483.81

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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.