Home / 12,810,762-19,218,883.32-4,723,759.44

Finding the Fourth Proportional to 12,810,762, 19,218,883.32 and 4,723,759.44

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Solution

The fourth proportional to 12,810,762, 19,218,883.32 and 4,723,759.44 is: 7,086,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810,762 : 19,218,883.32 = 4,723,759.44 : x
  2. Step 2: Convert to fraction form
    12,810,762/19,218,883.32 = 4,723,759.44/x
  3. Step 3: Cross multiply
    12,810,762x = 19,218,883.32 × 4,723,759.44
  4. Step 4: Simplify right side
    12,810,762x = 90,785,381,509,108.55
  5. Step 5: Solve for x
    x = 90,785,381,509,108.55/12,810,762
  6. Step 6: Final answer
    x = 7,086,649.61

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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.