Home / 11,715,938.40-17,584,405.20-10,120,303.20

Finding the Fourth Proportional to 11,715,938.40, 17,584,405.20 and 10,120,303.20

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Solution

The fourth proportional to 11,715,938.40, 17,584,405.20 and 10,120,303.20 is: 15,189,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715,938.40 : 17,584,405.20 = 10,120,303.20 : x
  2. Step 2: Convert to fraction form
    11,715,938.40/17,584,405.20 = 10,120,303.20/x
  3. Step 3: Cross multiply
    11,715,938.40x = 17,584,405.20 × 10,120,303.20
  4. Step 4: Simplify right side
    11,715,938.40x = 177,959,512,215,656.62
  5. Step 5: Solve for x
    x = 177,959,512,215,656.62/11,715,938.40
  6. Step 6: Final answer
    x = 15,189,522.69

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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.