Home / 18,733,153.80-28,057,740.30-15,373,921.80

Finding the Fourth Proportional to 18,733,153.80, 28,057,740.30 and 15,373,921.80

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Solution

The fourth proportional to 18,733,153.80, 28,057,740.30 and 15,373,921.80 is: 23,026,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733,153.80 : 28,057,740.30 = 15,373,921.80 : x
  2. Step 2: Convert to fraction form
    18,733,153.80/28,057,740.30 = 15,373,921.80/x
  3. Step 3: Cross multiply
    18,733,153.80x = 28,057,740.30 × 15,373,921.80
  4. Step 4: Simplify right side
    18,733,153.80x = 431,357,505,256,908.56
  5. Step 5: Solve for x
    x = 431,357,505,256,908.56/18,733,153.80
  6. Step 6: Final answer
    x = 23,026,422.02

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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.