Home / 12,250,273.68-16,905,377.52-6,819,048.72

Finding the Fourth Proportional to 12,250,273.68, 16,905,377.52 and 6,819,048.72

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Solution

The fourth proportional to 12,250,273.68, 16,905,377.52 and 6,819,048.72 is: 9,410,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250,273.68 : 16,905,377.52 = 6,819,048.72 : x
  2. Step 2: Convert to fraction form
    12,250,273.68/16,905,377.52 = 6,819,048.72/x
  3. Step 3: Cross multiply
    12,250,273.68x = 16,905,377.52 × 6,819,048.72
  4. Step 4: Simplify right side
    12,250,273.68x = 115,278,592,938,872.77
  5. Step 5: Solve for x
    x = 115,278,592,938,872.77/12,250,273.68
  6. Step 6: Final answer
    x = 9,410,287.15

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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.