Home / 6,670,986.66-9,206,948.82-4,223,824.78

Finding the Fourth Proportional to 6,670,986.66, 9,206,948.82 and 4,223,824.78

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Solution

The fourth proportional to 6,670,986.66, 9,206,948.82 and 4,223,824.78 is: 5,829,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670,986.66 : 9,206,948.82 = 4,223,824.78 : x
  2. Step 2: Convert to fraction form
    6,670,986.66/9,206,948.82 = 4,223,824.78/x
  3. Step 3: Cross multiply
    6,670,986.66x = 9,206,948.82 × 4,223,824.78
  4. Step 4: Simplify right side
    6,670,986.66x = 38,888,538,574,107.77
  5. Step 5: Solve for x
    x = 38,888,538,574,107.77/6,670,986.66
  6. Step 6: Final answer
    x = 5,829,503.27

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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.