Home / 8,428,442.78-11,631,281.64-4,560,963.52

Finding the Fourth Proportional to 8,428,442.78, 11,631,281.64 and 4,560,963.52

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Solution

The fourth proportional to 8,428,442.78, 11,631,281.64 and 4,560,963.52 is: 6,294,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,442.78 : 11,631,281.64 = 4,560,963.52 : x
  2. Step 2: Convert to fraction form
    8,428,442.78/11,631,281.64 = 4,560,963.52/x
  3. Step 3: Cross multiply
    8,428,442.78x = 11,631,281.64 × 4,560,963.52
  4. Step 4: Simplify right side
    8,428,442.78x = 53,049,851,250,885.77
  5. Step 5: Solve for x
    x = 53,049,851,250,885.77/8,428,442.78
  6. Step 6: Final answer
    x = 6,294,146.22

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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.