Home / 6,971,747.86-9,621,245.40-3,874,401.76

Finding the Fourth Proportional to 6,971,747.86, 9,621,245.40 and 3,874,401.76

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Solution

The fourth proportional to 6,971,747.86, 9,621,245.40 and 3,874,401.76 is: 5,346,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971,747.86 : 9,621,245.40 = 3,874,401.76 : x
  2. Step 2: Convert to fraction form
    6,971,747.86/9,621,245.40 = 3,874,401.76/x
  3. Step 3: Cross multiply
    6,971,747.86x = 9,621,245.40 × 3,874,401.76
  4. Step 4: Simplify right side
    6,971,747.86x = 37,276,570,067,726.78
  5. Step 5: Solve for x
    x = 37,276,570,067,726.78/6,971,747.86
  6. Step 6: Final answer
    x = 5,346,804.11

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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.