Home / 28,696,500.24-39,600,910.44-15,819,444.24

Finding the Fourth Proportional to 28,696,500.24, 39,600,910.44 and 15,819,444.24

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Solution

The fourth proportional to 28,696,500.24, 39,600,910.44 and 15,819,444.24 is: 21,830,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696,500.24 : 39,600,910.44 = 15,819,444.24 : x
  2. Step 2: Convert to fraction form
    28,696,500.24/39,600,910.44 = 15,819,444.24/x
  3. Step 3: Cross multiply
    28,696,500.24x = 39,600,910.44 × 15,819,444.24
  4. Step 4: Simplify right side
    28,696,500.24x = 626,464,394,558,813.88
  5. Step 5: Solve for x
    x = 626,464,394,558,813.88/28,696,500.24
  6. Step 6: Final answer
    x = 21,830,689.78

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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.