Home / 25,562,507.20-38,343,760.80-19,851,812.80

Finding the Fourth Proportional to 25,562,507.20, 38,343,760.80 and 19,851,812.80

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Solution

The fourth proportional to 25,562,507.20, 38,343,760.80 and 19,851,812.80 is: 29,777,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,562,507.20 : 38,343,760.80 = 19,851,812.80 : x
  2. Step 2: Convert to fraction form
    25,562,507.20/38,343,760.80 = 19,851,812.80/x
  3. Step 3: Cross multiply
    25,562,507.20x = 38,343,760.80 × 19,851,812.80
  4. Step 4: Simplify right side
    25,562,507.20x = 761,193,161,449,578.25
  5. Step 5: Solve for x
    x = 761,193,161,449,578.25/25,562,507.20
  6. Step 6: Final answer
    x = 29,777,719.20

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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.