Home / 8,768,691.20-13,140,595.20-6,476,326.40

Finding the Fourth Proportional to 8,768,691.20, 13,140,595.20 and 6,476,326.40

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Solution

The fourth proportional to 8,768,691.20, 13,140,595.20 and 6,476,326.40 is: 9,705,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,691.20 : 13,140,595.20 = 6,476,326.40 : x
  2. Step 2: Convert to fraction form
    8,768,691.20/13,140,595.20 = 6,476,326.40/x
  3. Step 3: Cross multiply
    8,768,691.20x = 13,140,595.20 × 6,476,326.40
  4. Step 4: Simplify right side
    8,768,691.20x = 85,102,783,605,473.28
  5. Step 5: Solve for x
    x = 85,102,783,605,473.28/8,768,691.20
  6. Step 6: Final answer
    x = 9,705,300.56

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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.