Home / 8,359,820.20-12,539,730.30-2,684,117.80

Finding the Fourth Proportional to 8,359,820.20, 12,539,730.30 and 2,684,117.80

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Solution

The fourth proportional to 8,359,820.20, 12,539,730.30 and 2,684,117.80 is: 4,026,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359,820.20 : 12,539,730.30 = 2,684,117.80 : x
  2. Step 2: Convert to fraction form
    8,359,820.20/12,539,730.30 = 2,684,117.80/x
  3. Step 3: Cross multiply
    8,359,820.20x = 12,539,730.30 × 2,684,117.80
  4. Step 4: Simplify right side
    8,359,820.20x = 33,658,113,305,429.34
  5. Step 5: Solve for x
    x = 33,658,113,305,429.34/8,359,820.20
  6. Step 6: Final answer
    x = 4,026,176.70

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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.