Home / 18,517,830.40-27,794,673.60-8,939,929.60

Finding the Fourth Proportional to 18,517,830.40, 27,794,673.60 and 8,939,929.60

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Solution

The fourth proportional to 18,517,830.40, 27,794,673.60 and 8,939,929.60 is: 13,418,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517,830.40 : 27,794,673.60 = 8,939,929.60 : x
  2. Step 2: Convert to fraction form
    18,517,830.40/27,794,673.60 = 8,939,929.60/x
  3. Step 3: Cross multiply
    18,517,830.40x = 27,794,673.60 × 8,939,929.60
  4. Step 4: Simplify right side
    18,517,830.40x = 248,482,425,238,978.56
  5. Step 5: Solve for x
    x = 248,482,425,238,978.56/18,517,830.40
  6. Step 6: Final answer
    x = 13,418,549.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.