Home / 30,339,405.63-45,515,407.05-10,144,122.75

Finding the Fourth Proportional to 30,339,405.63, 45,515,407.05 and 10,144,122.75

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Solution

The fourth proportional to 30,339,405.63, 45,515,407.05 and 10,144,122.75 is: 15,218,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339,405.63 : 45,515,407.05 = 10,144,122.75 : x
  2. Step 2: Convert to fraction form
    30,339,405.63/45,515,407.05 = 10,144,122.75/x
  3. Step 3: Cross multiply
    30,339,405.63x = 45,515,407.05 × 10,144,122.75
  4. Step 4: Simplify right side
    30,339,405.63x = 461,713,876,131,415.38
  5. Step 5: Solve for x
    x = 461,713,876,131,415.38/30,339,405.63
  6. Step 6: Final answer
    x = 15,218,290.09

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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.