Home / 13,642,288.86-20,474,122.44-9,516,775.80

Finding the Fourth Proportional to 13,642,288.86, 20,474,122.44 and 9,516,775.80

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Solution

The fourth proportional to 13,642,288.86, 20,474,122.44 and 9,516,775.80 is: 14,282,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,288.86 : 20,474,122.44 = 9,516,775.80 : x
  2. Step 2: Convert to fraction form
    13,642,288.86/20,474,122.44 = 9,516,775.80/x
  3. Step 3: Cross multiply
    13,642,288.86x = 20,474,122.44 × 9,516,775.80
  4. Step 4: Simplify right side
    13,642,288.86x = 194,847,632,963,228.97
  5. Step 5: Solve for x
    x = 194,847,632,963,228.97/13,642,288.86
  6. Step 6: Final answer
    x = 14,282,620.38

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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.