Home / 10,173,750.30-15,278,340.15-5,390,781.30

Finding the Fourth Proportional to 10,173,750.30, 15,278,340.15 and 5,390,781.30

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Solution

The fourth proportional to 10,173,750.30, 15,278,340.15 and 5,390,781.30 is: 8,095,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173,750.30 : 15,278,340.15 = 5,390,781.30 : x
  2. Step 2: Convert to fraction form
    10,173,750.30/15,278,340.15 = 5,390,781.30/x
  3. Step 3: Cross multiply
    10,173,750.30x = 15,278,340.15 × 5,390,781.30
  4. Step 4: Simplify right side
    10,173,750.30x = 82,362,190,375,659.19
  5. Step 5: Solve for x
    x = 82,362,190,375,659.19/10,173,750.30
  6. Step 6: Final answer
    x = 8,095,558.47

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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.