Home / 18,573,065.42-27,734,530.74-15,168,111.45

Finding the Fourth Proportional to 18,573,065.42, 27,734,530.74 and 15,168,111.45

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Solution

The fourth proportional to 18,573,065.42, 27,734,530.74 and 15,168,111.45 is: 22,650,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573,065.42 : 27,734,530.74 = 15,168,111.45 : x
  2. Step 2: Convert to fraction form
    18,573,065.42/27,734,530.74 = 15,168,111.45/x
  3. Step 3: Cross multiply
    18,573,065.42x = 27,734,530.74 × 15,168,111.45
  4. Step 4: Simplify right side
    18,573,065.42x = 420,680,453,277,770.94
  5. Step 5: Solve for x
    x = 420,680,453,277,770.94/18,573,065.42
  6. Step 6: Final answer
    x = 22,650,028.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.