Home / 8,682,645-11,982,050.10-4,815,758.28

Finding the Fourth Proportional to 8,682,645, 11,982,050.10 and 4,815,758.28

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Solution

The fourth proportional to 8,682,645, 11,982,050.10 and 4,815,758.28 is: 6,645,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,645 : 11,982,050.10 = 4,815,758.28 : x
  2. Step 2: Convert to fraction form
    8,682,645/11,982,050.10 = 4,815,758.28/x
  3. Step 3: Cross multiply
    8,682,645x = 11,982,050.10 × 4,815,758.28
  4. Step 4: Simplify right side
    8,682,645x = 57,702,656,980,449.83
  5. Step 5: Solve for x
    x = 57,702,656,980,449.83/8,682,645
  6. Step 6: Final answer
    x = 6,645,746.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.