Home / 9,908,319.86-13,672,388.13-5,556,510.62

Finding the Fourth Proportional to 9,908,319.86, 13,672,388.13 and 5,556,510.62

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Solution

The fourth proportional to 9,908,319.86, 13,672,388.13 and 5,556,510.62 is: 7,667,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908,319.86 : 13,672,388.13 = 5,556,510.62 : x
  2. Step 2: Convert to fraction form
    9,908,319.86/13,672,388.13 = 5,556,510.62/x
  3. Step 3: Cross multiply
    9,908,319.86x = 13,672,388.13 × 5,556,510.62
  4. Step 4: Simplify right side
    9,908,319.86x = 75,970,769,845,106.95
  5. Step 5: Solve for x
    x = 75,970,769,845,106.95/9,908,319.86
  6. Step 6: Final answer
    x = 7,667,371.55

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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.