Home / 19,701,578.92-27,187,914.72-10,999,885

Finding the Fourth Proportional to 19,701,578.92, 27,187,914.72 and 10,999,885

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Solution

The fourth proportional to 19,701,578.92, 27,187,914.72 and 10,999,885 is: 15,179,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701,578.92 : 27,187,914.72 = 10,999,885 : x
  2. Step 2: Convert to fraction form
    19,701,578.92/27,187,914.72 = 10,999,885/x
  3. Step 3: Cross multiply
    19,701,578.92x = 27,187,914.72 × 10,999,885
  4. Step 4: Simplify right side
    19,701,578.92x = 299,063,935,309,807.19
  5. Step 5: Solve for x
    x = 299,063,935,309,807.19/19,701,578.92
  6. Step 6: Final answer
    x = 15,179,693.80

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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.