Home / 12,717,290.75-17,549,696.17-6,915,948.98

Finding the Fourth Proportional to 12,717,290.75, 17,549,696.17 and 6,915,948.98

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Solution

The fourth proportional to 12,717,290.75, 17,549,696.17 and 6,915,948.98 is: 9,543,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717,290.75 : 17,549,696.17 = 6,915,948.98 : x
  2. Step 2: Convert to fraction form
    12,717,290.75/17,549,696.17 = 6,915,948.98/x
  3. Step 3: Cross multiply
    12,717,290.75x = 17,549,696.17 × 6,915,948.98
  4. Step 4: Simplify right side
    12,717,290.75x = 121,372,803,352,805.78
  5. Step 5: Solve for x
    x = 121,372,803,352,805.78/12,717,290.75
  6. Step 6: Final answer
    x = 9,543,919.83

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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.