Home / 30,921,211.51-46,387,519.19-10,172,817.25

Finding the Fourth Proportional to 30,921,211.51, 46,387,519.19 and 10,172,817.25

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Solution

The fourth proportional to 30,921,211.51, 46,387,519.19 and 10,172,817.25 is: 15,261,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,211.51 : 46,387,519.19 = 10,172,817.25 : x
  2. Step 2: Convert to fraction form
    30,921,211.51/46,387,519.19 = 10,172,817.25/x
  3. Step 3: Cross multiply
    30,921,211.51x = 46,387,519.19 × 10,172,817.25
  4. Step 4: Simplify right side
    30,921,211.51x = 471,891,755,349,873.94
  5. Step 5: Solve for x
    x = 471,891,755,349,873.94/30,921,211.51
  6. Step 6: Final answer
    x = 15,261,101.76

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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.