Home / 20,045,525.88-27,662,824.68-10,878,168.66

Finding the Fourth Proportional to 20,045,525.88, 27,662,824.68 and 10,878,168.66

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Solution

The fourth proportional to 20,045,525.88, 27,662,824.68 and 10,878,168.66 is: 15,011,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,525.88 : 27,662,824.68 = 10,878,168.66 : x
  2. Step 2: Convert to fraction form
    20,045,525.88/27,662,824.68 = 10,878,168.66/x
  3. Step 3: Cross multiply
    20,045,525.88x = 27,662,824.68 × 10,878,168.66
  4. Step 4: Simplify right side
    20,045,525.88x = 300,920,872,481,050.50
  5. Step 5: Solve for x
    x = 300,920,872,481,050.50/20,045,525.88
  6. Step 6: Final answer
    x = 15,011,872.19

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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.