Home / 19,875,771.28-27,428,399.36-11,173,982.59

Finding the Fourth Proportional to 19,875,771.28, 27,428,399.36 and 11,173,982.59

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Solution

The fourth proportional to 19,875,771.28, 27,428,399.36 and 11,173,982.59 is: 15,420,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875,771.28 : 27,428,399.36 = 11,173,982.59 : x
  2. Step 2: Convert to fraction form
    19,875,771.28/27,428,399.36 = 11,173,982.59/x
  3. Step 3: Cross multiply
    19,875,771.28x = 27,428,399.36 × 11,173,982.59
  4. Step 4: Simplify right side
    19,875,771.28x = 306,484,456,783,065.19
  5. Step 5: Solve for x
    x = 306,484,456,783,065.19/19,875,771.28
  6. Step 6: Final answer
    x = 15,420,003.21

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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.