Home / 25,562,405.70-38,343,608.55-19,851,711.30

Finding the Fourth Proportional to 25,562,405.70, 38,343,608.55 and 19,851,711.30

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Solution

The fourth proportional to 25,562,405.70, 38,343,608.55 and 19,851,711.30 is: 29,777,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,562,405.70 : 38,343,608.55 = 19,851,711.30 : x
  2. Step 2: Convert to fraction form
    25,562,405.70/38,343,608.55 = 19,851,711.30/x
  3. Step 3: Cross multiply
    25,562,405.70x = 38,343,608.55 × 19,851,711.30
  4. Step 4: Simplify right side
    25,562,405.70x = 761,186,247,134,811.62
  5. Step 5: Solve for x
    x = 761,186,247,134,811.62/25,562,405.70
  6. Step 6: Final answer
    x = 29,777,566.95

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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.