Home / 8,102,479.29-11,181,264.14-4,431,384.47

Finding the Fourth Proportional to 8,102,479.29, 11,181,264.14 and 4,431,384.47

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Solution

The fourth proportional to 8,102,479.29, 11,181,264.14 and 4,431,384.47 is: 6,115,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102,479.29 : 11,181,264.14 = 4,431,384.47 : x
  2. Step 2: Convert to fraction form
    8,102,479.29/11,181,264.14 = 4,431,384.47/x
  3. Step 3: Cross multiply
    8,102,479.29x = 11,181,264.14 × 4,431,384.47
  4. Step 4: Simplify right side
    8,102,479.29x = 49,548,480,186,900.66
  5. Step 5: Solve for x
    x = 49,548,480,186,900.66/8,102,479.29
  6. Step 6: Final answer
    x = 6,115,224.54

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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.