Home / 20,476,905.75-28,257,943.89-11,184,473.88

Finding the Fourth Proportional to 20,476,905.75, 28,257,943.89 and 11,184,473.88

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Solution

The fourth proportional to 20,476,905.75, 28,257,943.89 and 11,184,473.88 is: 15,434,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476,905.75 : 28,257,943.89 = 11,184,473.88 : x
  2. Step 2: Convert to fraction form
    20,476,905.75/28,257,943.89 = 11,184,473.88/x
  3. Step 3: Cross multiply
    20,476,905.75x = 28,257,943.89 × 11,184,473.88
  4. Step 4: Simplify right side
    20,476,905.75x = 316,050,235,340,210.62
  5. Step 5: Solve for x
    x = 316,050,235,340,210.62/20,476,905.75
  6. Step 6: Final answer
    x = 15,434,472.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.