Home / 7,166,020.88-9,888,961.19-3,902,892.95

Finding the Fourth Proportional to 7,166,020.88, 9,888,961.19 and 3,902,892.95

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Solution

The fourth proportional to 7,166,020.88, 9,888,961.19 and 3,902,892.95 is: 5,385,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,020.88 : 9,888,961.19 = 3,902,892.95 : x
  2. Step 2: Convert to fraction form
    7,166,020.88/9,888,961.19 = 3,902,892.95/x
  3. Step 3: Cross multiply
    7,166,020.88x = 9,888,961.19 × 3,902,892.95
  4. Step 4: Simplify right side
    7,166,020.88x = 38,595,556,842,315.34
  5. Step 5: Solve for x
    x = 38,595,556,842,315.34/7,166,020.88
  6. Step 6: Final answer
    x = 5,385,911.86

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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.