Home / 28,863,257.46-39,829,879.98-15,810,574.38

Finding the Fourth Proportional to 28,863,257.46, 39,829,879.98 and 15,810,574.38

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Solution

The fourth proportional to 28,863,257.46, 39,829,879.98 and 15,810,574.38 is: 21,817,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863,257.46 : 39,829,879.98 = 15,810,574.38 : x
  2. Step 2: Convert to fraction form
    28,863,257.46/39,829,879.98 = 15,810,574.38/x
  3. Step 3: Cross multiply
    28,863,257.46x = 39,829,879.98 × 15,810,574.38
  4. Step 4: Simplify right side
    28,863,257.46x = 629,733,279,970,262.88
  5. Step 5: Solve for x
    x = 629,733,279,970,262.88/28,863,257.46
  6. Step 6: Final answer
    x = 21,817,817.37

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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.