Home / 19,875,844.68-27,428,500.56-11,174,055.96

Finding the Fourth Proportional to 19,875,844.68, 27,428,500.56 and 11,174,055.96

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Solution

The fourth proportional to 19,875,844.68, 27,428,500.56 and 11,174,055.96 is: 15,420,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875,844.68 : 27,428,500.56 = 11,174,055.96 : x
  2. Step 2: Convert to fraction form
    19,875,844.68/27,428,500.56 = 11,174,055.96/x
  3. Step 3: Cross multiply
    19,875,844.68x = 27,428,500.56 × 11,174,055.96
  4. Step 4: Simplify right side
    19,875,844.68x = 306,487,600,156,331.38
  5. Step 5: Solve for x
    x = 306,487,600,156,331.38/19,875,844.68
  6. Step 6: Final answer
    x = 15,420,104.41

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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.