Home / 27,731,166.36-38,267,859.90-15,172,159.38

Finding the Fourth Proportional to 27,731,166.36, 38,267,859.90 and 15,172,159.38

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Solution

The fourth proportional to 27,731,166.36, 38,267,859.90 and 15,172,159.38 is: 20,936,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731,166.36 : 38,267,859.90 = 15,172,159.38 : x
  2. Step 2: Convert to fraction form
    27,731,166.36/38,267,859.90 = 15,172,159.38/x
  3. Step 3: Cross multiply
    27,731,166.36x = 38,267,859.90 × 15,172,159.38
  4. Step 4: Simplify right side
    27,731,166.36x = 580,606,069,534,310.88
  5. Step 5: Solve for x
    x = 580,606,069,534,310.88/27,731,166.36
  6. Step 6: Final answer
    x = 20,936,950.94

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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.