Home / 9,101,651.45-12,560,278.51-4,915,335.98

Finding the Fourth Proportional to 9,101,651.45, 12,560,278.51 and 4,915,335.98

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Solution

The fourth proportional to 9,101,651.45, 12,560,278.51 and 4,915,335.98 is: 6,783,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101,651.45 : 12,560,278.51 = 4,915,335.98 : x
  2. Step 2: Convert to fraction form
    9,101,651.45/12,560,278.51 = 4,915,335.98/x
  3. Step 3: Cross multiply
    9,101,651.45x = 12,560,278.51 × 4,915,335.98
  4. Step 4: Simplify right side
    9,101,651.45x = 61,737,988,841,818.84
  5. Step 5: Solve for x
    x = 61,737,988,841,818.84/9,101,651.45
  6. Step 6: Final answer
    x = 6,783,163.39

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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.