Home / 9,200,012.58-12,687,405.72-7,270,881.78

Finding the Fourth Proportional to 9,200,012.58, 12,687,405.72 and 7,270,881.78

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Solution

The fourth proportional to 9,200,012.58, 12,687,405.72 and 7,270,881.78 is: 10,027,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200,012.58 : 12,687,405.72 = 7,270,881.78 : x
  2. Step 2: Convert to fraction form
    9,200,012.58/12,687,405.72 = 7,270,881.78/x
  3. Step 3: Cross multiply
    9,200,012.58x = 12,687,405.72 × 7,270,881.78
  4. Step 4: Simplify right side
    9,200,012.58x = 92,248,627,085,015.80
  5. Step 5: Solve for x
    x = 92,248,627,085,015.80/9,200,012.58
  6. Step 6: Final answer
    x = 10,027,010.97

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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.