Home / 15,785,787-21,784,386.06-8,542,443

Finding the Fourth Proportional to 15,785,787, 21,784,386.06 and 8,542,443

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Solution

The fourth proportional to 15,785,787, 21,784,386.06 and 8,542,443 is: 11,788,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785,787 : 21,784,386.06 = 8,542,443 : x
  2. Step 2: Convert to fraction form
    15,785,787/21,784,386.06 = 8,542,443/x
  3. Step 3: Cross multiply
    15,785,787x = 21,784,386.06 × 8,542,443
  4. Step 4: Simplify right side
    15,785,787x = 186,091,876,207,544.56
  5. Step 5: Solve for x
    x = 186,091,876,207,544.56/15,785,787
  6. Step 6: Final answer
    x = 11,788,571.34

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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.