Home / 8,913,751.39-12,312,515.82-7,371,243.88

Finding the Fourth Proportional to 8,913,751.39, 12,312,515.82 and 7,371,243.88

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Solution

The fourth proportional to 8,913,751.39, 12,312,515.82 and 7,371,243.88 is: 10,181,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913,751.39 : 12,312,515.82 = 7,371,243.88 : x
  2. Step 2: Convert to fraction form
    8,913,751.39/12,312,515.82 = 7,371,243.88/x
  3. Step 3: Cross multiply
    8,913,751.39x = 12,312,515.82 × 7,371,243.88
  4. Step 4: Simplify right side
    8,913,751.39x = 90,758,556,951,696.95
  5. Step 5: Solve for x
    x = 90,758,556,951,696.95/8,913,751.39
  6. Step 6: Final answer
    x = 10,181,858.68

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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.