Home / 8,117,780.82-11,198,290.35-5,019,313.72

Finding the Fourth Proportional to 8,117,780.82, 11,198,290.35 and 5,019,313.72

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Solution

The fourth proportional to 8,117,780.82, 11,198,290.35 and 5,019,313.72 is: 6,924,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117,780.82 : 11,198,290.35 = 5,019,313.72 : x
  2. Step 2: Convert to fraction form
    8,117,780.82/11,198,290.35 = 5,019,313.72/x
  3. Step 3: Cross multiply
    8,117,780.82x = 11,198,290.35 × 5,019,313.72
  4. Step 4: Simplify right side
    8,117,780.82x = 56,207,732,360,072.77
  5. Step 5: Solve for x
    x = 56,207,732,360,072.77/8,117,780.82
  6. Step 6: Final answer
    x = 6,924,026.85

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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.