Home / 28,255,130.38-42,389,013.56-10,304,234.38

Finding the Fourth Proportional to 28,255,130.38, 42,389,013.56 and 10,304,234.38

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Solution

The fourth proportional to 28,255,130.38, 42,389,013.56 and 10,304,234.38 is: 15,458,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255,130.38 : 42,389,013.56 = 10,304,234.38 : x
  2. Step 2: Convert to fraction form
    28,255,130.38/42,389,013.56 = 10,304,234.38/x
  3. Step 3: Cross multiply
    28,255,130.38x = 42,389,013.56 × 10,304,234.38
  4. Step 4: Simplify right side
    28,255,130.38x = 436,786,330,673,053.69
  5. Step 5: Solve for x
    x = 436,786,330,673,053.69/28,255,130.38
  6. Step 6: Final answer
    x = 15,458,655.65

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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.