Home / 8,766,021.70-13,149,032.55-5,742,712.90

Finding the Fourth Proportional to 8,766,021.70, 13,149,032.55 and 5,742,712.90

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Solution

The fourth proportional to 8,766,021.70, 13,149,032.55 and 5,742,712.90 is: 8,614,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766,021.70 : 13,149,032.55 = 5,742,712.90 : x
  2. Step 2: Convert to fraction form
    8,766,021.70/13,149,032.55 = 5,742,712.90/x
  3. Step 3: Cross multiply
    8,766,021.70x = 13,149,032.55 × 5,742,712.90
  4. Step 4: Simplify right side
    8,766,021.70x = 75,511,118,847,404.91
  5. Step 5: Solve for x
    x = 75,511,118,847,404.91/8,766,021.70
  6. Step 6: Final answer
    x = 8,614,069.35

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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.