Home / 20,247,604.76-27,942,928.62-11,547,456.32

Finding the Fourth Proportional to 20,247,604.76, 27,942,928.62 and 11,547,456.32

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Solution

The fourth proportional to 20,247,604.76, 27,942,928.62 and 11,547,456.32 is: 15,936,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247,604.76 : 27,942,928.62 = 11,547,456.32 : x
  2. Step 2: Convert to fraction form
    20,247,604.76/27,942,928.62 = 11,547,456.32/x
  3. Step 3: Cross multiply
    20,247,604.76x = 27,942,928.62 × 11,547,456.32
  4. Step 4: Simplify right side
    20,247,604.76x = 322,669,747,692,327.88
  5. Step 5: Solve for x
    x = 322,669,747,692,327.88/20,247,604.76
  6. Step 6: Final answer
    x = 15,936,193.52

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1.5x scale

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.