Home / 18,173,421.25-27,220,081.07-15,021,686.34

Finding the Fourth Proportional to 18,173,421.25, 27,220,081.07 and 15,021,686.34

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Solution

The fourth proportional to 18,173,421.25, 27,220,081.07 and 15,021,686.34 is: 22,499,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,421.25 : 27,220,081.07 = 15,021,686.34 : x
  2. Step 2: Convert to fraction form
    18,173,421.25/27,220,081.07 = 15,021,686.34/x
  3. Step 3: Cross multiply
    18,173,421.25x = 27,220,081.07 × 15,021,686.34
  4. Step 4: Simplify right side
    18,173,421.25x = 408,891,519,907,803.19
  5. Step 5: Solve for x
    x = 408,891,519,907,803.19/18,173,421.25
  6. Step 6: Final answer
    x = 22,499,424.54

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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.