Home / 13,235,902.05-18,262,711.51-7,726,776.78

Finding the Fourth Proportional to 13,235,902.05, 18,262,711.51 and 7,726,776.78

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Solution

The fourth proportional to 13,235,902.05, 18,262,711.51 and 7,726,776.78 is: 10,661,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,902.05 : 18,262,711.51 = 7,726,776.78 : x
  2. Step 2: Convert to fraction form
    13,235,902.05/18,262,711.51 = 7,726,776.78/x
  3. Step 3: Cross multiply
    13,235,902.05x = 18,262,711.51 × 7,726,776.78
  4. Step 4: Simplify right side
    13,235,902.05x = 141,111,895,235,306.75
  5. Step 5: Solve for x
    x = 141,111,895,235,306.75/13,235,902.05
  6. Step 6: Final answer
    x = 10,661,297.94

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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.