Home / 8,658,517.80-12,984,714.90-2,977,420.80

Finding the Fourth Proportional to 8,658,517.80, 12,984,714.90 and 2,977,420.80

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Solution

The fourth proportional to 8,658,517.80, 12,984,714.90 and 2,977,420.80 is: 4,465,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,517.80 : 12,984,714.90 = 2,977,420.80 : x
  2. Step 2: Convert to fraction form
    8,658,517.80/12,984,714.90 = 2,977,420.80/x
  3. Step 3: Cross multiply
    8,658,517.80x = 12,984,714.90 × 2,977,420.80
  4. Step 4: Simplify right side
    8,658,517.80x = 38,660,960,225,329.92
  5. Step 5: Solve for x
    x = 38,660,960,225,329.92/8,658,517.80
  6. Step 6: Final answer
    x = 4,465,078.33

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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.