Home / 13,375,980.30-20,057,650.12-5,182,460.96

Finding the Fourth Proportional to 13,375,980.30, 20,057,650.12 and 5,182,460.96

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Solution

The fourth proportional to 13,375,980.30, 20,057,650.12 and 5,182,460.96 is: 7,771,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,980.30 : 20,057,650.12 = 5,182,460.96 : x
  2. Step 2: Convert to fraction form
    13,375,980.30/20,057,650.12 = 5,182,460.96/x
  3. Step 3: Cross multiply
    13,375,980.30x = 20,057,650.12 × 5,182,460.96
  4. Step 4: Simplify right side
    13,375,980.30x = 103,947,988,696,239.31
  5. Step 5: Solve for x
    x = 103,947,988,696,239.31/13,375,980.30
  6. Step 6: Final answer
    x = 7,771,242.66

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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.