Home / 20,593,960.40-30,890,940.60-15,825,717.20

Finding the Fourth Proportional to 20,593,960.40, 30,890,940.60 and 15,825,717.20

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Solution

The fourth proportional to 20,593,960.40, 30,890,940.60 and 15,825,717.20 is: 23,738,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593,960.40 : 30,890,940.60 = 15,825,717.20 : x
  2. Step 2: Convert to fraction form
    20,593,960.40/30,890,940.60 = 15,825,717.20/x
  3. Step 3: Cross multiply
    20,593,960.40x = 30,890,940.60 × 15,825,717.20
  4. Step 4: Simplify right side
    20,593,960.40x = 488,871,289,977,598.31
  5. Step 5: Solve for x
    x = 488,871,289,977,598.31/20,593,960.40
  6. Step 6: Final answer
    x = 23,738,575.80

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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.