Home / 18,581,775.30-27,846,090.90-12,895,356.60

Finding the Fourth Proportional to 18,581,775.30, 27,846,090.90 and 12,895,356.60

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Solution

The fourth proportional to 18,581,775.30, 27,846,090.90 and 12,895,356.60 is: 19,324,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581,775.30 : 27,846,090.90 = 12,895,356.60 : x
  2. Step 2: Convert to fraction form
    18,581,775.30/27,846,090.90 = 12,895,356.60/x
  3. Step 3: Cross multiply
    18,581,775.30x = 27,846,090.90 × 12,895,356.60
  4. Step 4: Simplify right side
    18,581,775.30x = 359,085,272,071,514.94
  5. Step 5: Solve for x
    x = 359,085,272,071,514.94/18,581,775.30
  6. Step 6: Final answer
    x = 19,324,594.46

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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.