Home / 16,231,904.69-22,400,028.39-8,889,755.20

Finding the Fourth Proportional to 16,231,904.69, 22,400,028.39 and 8,889,755.20

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Solution

The fourth proportional to 16,231,904.69, 22,400,028.39 and 8,889,755.20 is: 12,267,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231,904.69 : 22,400,028.39 = 8,889,755.20 : x
  2. Step 2: Convert to fraction form
    16,231,904.69/22,400,028.39 = 8,889,755.20/x
  3. Step 3: Cross multiply
    16,231,904.69x = 22,400,028.39 × 8,889,755.20
  4. Step 4: Simplify right side
    16,231,904.69x = 199,130,768,837,486.66
  5. Step 5: Solve for x
    x = 199,130,768,837,486.66/16,231,904.69
  6. Step 6: Final answer
    x = 12,267,862.13

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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.