Home / 7,864,580.78-10,853,458.19-4,379,919.53

Finding the Fourth Proportional to 7,864,580.78, 10,853,458.19 and 4,379,919.53

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Solution

The fourth proportional to 7,864,580.78, 10,853,458.19 and 4,379,919.53 is: 6,044,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864,580.78 : 10,853,458.19 = 4,379,919.53 : x
  2. Step 2: Convert to fraction form
    7,864,580.78/10,853,458.19 = 4,379,919.53/x
  3. Step 3: Cross multiply
    7,864,580.78x = 10,853,458.19 × 4,379,919.53
  4. Step 4: Simplify right side
    7,864,580.78x = 47,537,273,511,127.76
  5. Step 5: Solve for x
    x = 47,537,273,511,127.76/7,864,580.78
  6. Step 6: Final answer
    x = 6,044,476.48

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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.