Home / 10,512,040.80-15,768,061.20-9,504,271.20

Finding the Fourth Proportional to 10,512,040.80, 15,768,061.20 and 9,504,271.20

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Solution

The fourth proportional to 10,512,040.80, 15,768,061.20 and 9,504,271.20 is: 14,256,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,040.80 : 15,768,061.20 = 9,504,271.20 : x
  2. Step 2: Convert to fraction form
    10,512,040.80/15,768,061.20 = 9,504,271.20/x
  3. Step 3: Cross multiply
    10,512,040.80x = 15,768,061.20 × 9,504,271.20
  4. Step 4: Simplify right side
    10,512,040.80x = 149,863,929,942,997.41
  5. Step 5: Solve for x
    x = 149,863,929,942,997.41/10,512,040.80
  6. Step 6: Final answer
    x = 14,256,406.80

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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.