Home / 9,279,081.29-12,805,425.80-5,358,766.47

Finding the Fourth Proportional to 9,279,081.29, 12,805,425.80 and 5,358,766.47

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Solution

The fourth proportional to 9,279,081.29, 12,805,425.80 and 5,358,766.47 is: 7,395,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279,081.29 : 12,805,425.80 = 5,358,766.47 : x
  2. Step 2: Convert to fraction form
    9,279,081.29/12,805,425.80 = 5,358,766.47/x
  3. Step 3: Cross multiply
    9,279,081.29x = 12,805,425.80 × 5,358,766.47
  4. Step 4: Simplify right side
    9,279,081.29x = 68,621,286,411,112.93
  5. Step 5: Solve for x
    x = 68,621,286,411,112.93/9,279,081.29
  6. Step 6: Final answer
    x = 7,395,267.30

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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.