Home / 8,768,960.70-13,140,999.45-6,476,595.90

Finding the Fourth Proportional to 8,768,960.70, 13,140,999.45 and 6,476,595.90

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Solution

The fourth proportional to 8,768,960.70, 13,140,999.45 and 6,476,595.90 is: 9,705,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,960.70 : 13,140,999.45 = 6,476,595.90 : x
  2. Step 2: Convert to fraction form
    8,768,960.70/13,140,999.45 = 6,476,595.90/x
  3. Step 3: Cross multiply
    8,768,960.70x = 13,140,999.45 × 6,476,595.90
  4. Step 4: Simplify right side
    8,768,960.70x = 85,108,943,159,772.25
  5. Step 5: Solve for x
    x = 85,108,943,159,772.25/8,768,960.70
  6. Step 6: Final answer
    x = 9,705,704.71

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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.