Home / 5,377,029.30-8,065,543.95-4,929,131.70

Finding the Fourth Proportional to 5,377,029.30, 8,065,543.95 and 4,929,131.70

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Solution

The fourth proportional to 5,377,029.30, 8,065,543.95 and 4,929,131.70 is: 7,393,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,029.30 : 8,065,543.95 = 4,929,131.70 : x
  2. Step 2: Convert to fraction form
    5,377,029.30/8,065,543.95 = 4,929,131.70/x
  3. Step 3: Cross multiply
    5,377,029.30x = 8,065,543.95 × 4,929,131.70
  4. Step 4: Simplify right side
    5,377,029.30x = 39,756,128,361,688.22
  5. Step 5: Solve for x
    x = 39,756,128,361,688.22/5,377,029.30
  6. Step 6: Final answer
    x = 7,393,697.55

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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.