Home / 10,377,684.24-15,569,380-4,990,840.80

Finding the Fourth Proportional to 10,377,684.24, 15,569,380 and 4,990,840.80

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Solution

The fourth proportional to 10,377,684.24, 15,569,380 and 4,990,840.80 is: 7,487,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377,684.24 : 15,569,380 = 4,990,840.80 : x
  2. Step 2: Convert to fraction form
    10,377,684.24/15,569,380 = 4,990,840.80/x
  3. Step 3: Cross multiply
    10,377,684.24x = 15,569,380 × 4,990,840.80
  4. Step 4: Simplify right side
    10,377,684.24x = 77,704,296,934,704
  5. Step 5: Solve for x
    x = 77,704,296,934,704/10,377,684.24
  6. Step 6: Final answer
    x = 7,487,633.57

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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.