Home / 8,900,998.70-13,351,498.05-5,909,182.70

Finding the Fourth Proportional to 8,900,998.70, 13,351,498.05 and 5,909,182.70

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Solution

The fourth proportional to 8,900,998.70, 13,351,498.05 and 5,909,182.70 is: 8,863,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900,998.70 : 13,351,498.05 = 5,909,182.70 : x
  2. Step 2: Convert to fraction form
    8,900,998.70/13,351,498.05 = 5,909,182.70/x
  3. Step 3: Cross multiply
    8,900,998.70x = 13,351,498.05 × 5,909,182.70
  4. Step 4: Simplify right side
    8,900,998.70x = 78,896,441,296,143.73
  5. Step 5: Solve for x
    x = 78,896,441,296,143.73/8,900,998.70
  6. Step 6: Final answer
    x = 8,863,774.05

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Similar ratio
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1.5x scale

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.