Home / 8,578,729.78-11,838,604.08-4,658,450.89

Finding the Fourth Proportional to 8,578,729.78, 11,838,604.08 and 4,658,450.89

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Solution

The fourth proportional to 8,578,729.78, 11,838,604.08 and 4,658,450.89 is: 6,428,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,729.78 : 11,838,604.08 = 4,658,450.89 : x
  2. Step 2: Convert to fraction form
    8,578,729.78/11,838,604.08 = 4,658,450.89/x
  3. Step 3: Cross multiply
    8,578,729.78x = 11,838,604.08 × 4,658,450.89
  4. Step 4: Simplify right side
    8,578,729.78x = 55,149,555,645,146.62
  5. Step 5: Solve for x
    x = 55,149,555,645,146.62/8,578,729.78
  6. Step 6: Final answer
    x = 6,428,638.86

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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.