Home / 9,908,321.86-13,672,390.88-5,556,512.62

Finding the Fourth Proportional to 9,908,321.86, 13,672,390.88 and 5,556,512.62

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Solution

The fourth proportional to 9,908,321.86, 13,672,390.88 and 5,556,512.62 is: 7,667,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908,321.86 : 13,672,390.88 = 5,556,512.62 : x
  2. Step 2: Convert to fraction form
    9,908,321.86/13,672,390.88 = 5,556,512.62/x
  3. Step 3: Cross multiply
    9,908,321.86x = 13,672,390.88 × 5,556,512.62
  4. Step 4: Simplify right side
    9,908,321.86x = 75,970,812,470,292.91
  5. Step 5: Solve for x
    x = 75,970,812,470,292.91/9,908,321.86
  6. Step 6: Final answer
    x = 7,667,374.31

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1.5x scale

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.