Home / 8,990,717.70-13,486,076.55-5,148,596.10

Finding the Fourth Proportional to 8,990,717.70, 13,486,076.55 and 5,148,596.10

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Solution

The fourth proportional to 8,990,717.70, 13,486,076.55 and 5,148,596.10 is: 7,722,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,717.70 : 13,486,076.55 = 5,148,596.10 : x
  2. Step 2: Convert to fraction form
    8,990,717.70/13,486,076.55 = 5,148,596.10/x
  3. Step 3: Cross multiply
    8,990,717.70x = 13,486,076.55 × 5,148,596.10
  4. Step 4: Simplify right side
    8,990,717.70x = 69,434,361,129,631.45
  5. Step 5: Solve for x
    x = 69,434,361,129,631.45/8,990,717.70
  6. Step 6: Final answer
    x = 7,722,894.15

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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.