Home / 12,244,228.38-18,346,161.42-7,112,253.06

Finding the Fourth Proportional to 12,244,228.38, 18,346,161.42 and 7,112,253.06

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Solution

The fourth proportional to 12,244,228.38, 18,346,161.42 and 7,112,253.06 is: 10,656,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244,228.38 : 18,346,161.42 = 7,112,253.06 : x
  2. Step 2: Convert to fraction form
    12,244,228.38/18,346,161.42 = 7,112,253.06/x
  3. Step 3: Cross multiply
    12,244,228.38x = 18,346,161.42 × 7,112,253.06
  4. Step 4: Simplify right side
    12,244,228.38x = 130,482,542,698,648.95
  5. Step 5: Solve for x
    x = 130,482,542,698,648.95/12,244,228.38
  6. Step 6: Final answer
    x = 10,656,657.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.