Home / 10,572,571.20-15,846,415.20-5,521,281.60

Finding the Fourth Proportional to 10,572,571.20, 15,846,415.20 and 5,521,281.60

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Solution

The fourth proportional to 10,572,571.20, 15,846,415.20 and 5,521,281.60 is: 8,275,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,571.20 : 15,846,415.20 = 5,521,281.60 : x
  2. Step 2: Convert to fraction form
    10,572,571.20/15,846,415.20 = 5,521,281.60/x
  3. Step 3: Cross multiply
    10,572,571.20x = 15,846,415.20 × 5,521,281.60
  4. Step 4: Simplify right side
    10,572,571.20x = 87,492,520,669,720.31
  5. Step 5: Solve for x
    x = 87,492,520,669,720.31/10,572,571.20
  6. Step 6: Final answer
    x = 8,275,425.06

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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.