Home / 7,250,988.78-10,006,615.26-3,988,050.39

Finding the Fourth Proportional to 7,250,988.78, 10,006,615.26 and 3,988,050.39

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Solution

The fourth proportional to 7,250,988.78, 10,006,615.26 and 3,988,050.39 is: 5,503,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,988.78 : 10,006,615.26 = 3,988,050.39 : x
  2. Step 2: Convert to fraction form
    7,250,988.78/10,006,615.26 = 3,988,050.39/x
  3. Step 3: Cross multiply
    7,250,988.78x = 10,006,615.26 × 3,988,050.39
  4. Step 4: Simplify right side
    7,250,988.78x = 39,906,885,890,222.95
  5. Step 5: Solve for x
    x = 39,906,885,890,222.95/7,250,988.78
  6. Step 6: Final answer
    x = 5,503,647.45

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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.