Home / 25,343,680.75-37,911,405.74-20,236,086.79

Finding the Fourth Proportional to 25,343,680.75, 37,911,405.74 and 20,236,086.79

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Solution

The fourth proportional to 25,343,680.75, 37,911,405.74 and 20,236,086.79 is: 30,270,997.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343,680.75 : 37,911,405.74 = 20,236,086.79 : x
  2. Step 2: Convert to fraction form
    25,343,680.75/37,911,405.74 = 20,236,086.79/x
  3. Step 3: Cross multiply
    25,343,680.75x = 37,911,405.74 × 20,236,086.79
  4. Step 4: Simplify right side
    25,343,680.75x = 767,178,497,055,744.88
  5. Step 5: Solve for x
    x = 767,178,497,055,744.88/25,343,680.75
  6. Step 6: Final answer
    x = 30,270,997.52

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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.