Home / 20,476,910.01-28,257,949.74-11,184,478.11

Finding the Fourth Proportional to 20,476,910.01, 28,257,949.74 and 11,184,478.11

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Solution

The fourth proportional to 20,476,910.01, 28,257,949.74 and 11,184,478.11 is: 15,434,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476,910.01 : 28,257,949.74 = 11,184,478.11 : x
  2. Step 2: Convert to fraction form
    20,476,910.01/28,257,949.74 = 11,184,478.11/x
  3. Step 3: Cross multiply
    20,476,910.01x = 28,257,949.74 × 11,184,478.11
  4. Step 4: Simplify right side
    20,476,910.01x = 316,050,420,300,510.12
  5. Step 5: Solve for x
    x = 316,050,420,300,510.12/20,476,910.01
  6. Step 6: Final answer
    x = 15,434,478.16

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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.