Home / 8,487,520.48-11,712,766.08-4,620,029.68

Finding the Fourth Proportional to 8,487,520.48, 11,712,766.08 and 4,620,029.68

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Solution

The fourth proportional to 8,487,520.48, 11,712,766.08 and 4,620,029.68 is: 6,375,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,520.48 : 11,712,766.08 = 4,620,029.68 : x
  2. Step 2: Convert to fraction form
    8,487,520.48/11,712,766.08 = 4,620,029.68/x
  3. Step 3: Cross multiply
    8,487,520.48x = 11,712,766.08 × 4,620,029.68
  4. Step 4: Simplify right side
    8,487,520.48x = 54,113,326,924,497.25
  5. Step 5: Solve for x
    x = 54,113,326,924,497.25/8,487,520.48
  6. Step 6: Final answer
    x = 6,375,634.33

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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.