Home / 28,300,060.74-39,055,467.66-15,914,051.88

Finding the Fourth Proportional to 28,300,060.74, 39,055,467.66 and 15,914,051.88

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Solution

The fourth proportional to 28,300,060.74, 39,055,467.66 and 15,914,051.88 is: 21,962,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300,060.74 : 39,055,467.66 = 15,914,051.88 : x
  2. Step 2: Convert to fraction form
    28,300,060.74/39,055,467.66 = 15,914,051.88/x
  3. Step 3: Cross multiply
    28,300,060.74x = 39,055,467.66 × 15,914,051.88
  4. Step 4: Simplify right side
    28,300,060.74x = 621,530,738,538,902.12
  5. Step 5: Solve for x
    x = 621,530,738,538,902.12/28,300,060.74
  6. Step 6: Final answer
    x = 21,962,169.77

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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.