Home / 9,115,883.81-12,578,523.14-5,247,657.63

Finding the Fourth Proportional to 9,115,883.81, 12,578,523.14 and 5,247,657.63

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Solution

The fourth proportional to 9,115,883.81, 12,578,523.14 and 5,247,657.63 is: 7,240,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115,883.81 : 12,578,523.14 = 5,247,657.63 : x
  2. Step 2: Convert to fraction form
    9,115,883.81/12,578,523.14 = 5,247,657.63/x
  3. Step 3: Cross multiply
    9,115,883.81x = 12,578,523.14 × 5,247,657.63
  4. Step 4: Simplify right side
    9,115,883.81x = 66,007,782,903,514.27
  5. Step 5: Solve for x
    x = 66,007,782,903,514.27/9,115,883.81
  6. Step 6: Final answer
    x = 7,240,963.61

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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.