Home / 13,413,830.38-18,511,033.28-7,532,648.39

Finding the Fourth Proportional to 13,413,830.38, 18,511,033.28 and 7,532,648.39

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Solution

The fourth proportional to 13,413,830.38, 18,511,033.28 and 7,532,648.39 is: 10,395,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,830.38 : 18,511,033.28 = 7,532,648.39 : x
  2. Step 2: Convert to fraction form
    13,413,830.38/18,511,033.28 = 7,532,648.39/x
  3. Step 3: Cross multiply
    13,413,830.38x = 18,511,033.28 × 7,532,648.39
  4. Step 4: Simplify right side
    13,413,830.38x = 139,437,105,042,442.75
  5. Step 5: Solve for x
    x = 139,437,105,042,442.75/13,413,830.38
  6. Step 6: Final answer
    x = 10,395,025.22

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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.