Home / 15,986,296.61-22,061,073.77-8,644,112.16

Finding the Fourth Proportional to 15,986,296.61, 22,061,073.77 and 8,644,112.16

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Solution

The fourth proportional to 15,986,296.61, 22,061,073.77 and 8,644,112.16 is: 11,928,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986,296.61 : 22,061,073.77 = 8,644,112.16 : x
  2. Step 2: Convert to fraction form
    15,986,296.61/22,061,073.77 = 8,644,112.16/x
  3. Step 3: Cross multiply
    15,986,296.61x = 22,061,073.77 × 8,644,112.16
  4. Step 4: Simplify right side
    15,986,296.61x = 190,698,395,994,693.50
  5. Step 5: Solve for x
    x = 190,698,395,994,693.50/15,986,296.61
  6. Step 6: Final answer
    x = 11,928,866.37

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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.