Home / 13,430,118.32-20,149,100.28-4,332,014.48

Finding the Fourth Proportional to 13,430,118.32, 20,149,100.28 and 4,332,014.48

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Solution

The fourth proportional to 13,430,118.32, 20,149,100.28 and 4,332,014.48 is: 6,499,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430,118.32 : 20,149,100.28 = 4,332,014.48 : x
  2. Step 2: Convert to fraction form
    13,430,118.32/20,149,100.28 = 4,332,014.48/x
  3. Step 3: Cross multiply
    13,430,118.32x = 20,149,100.28 × 4,332,014.48
  4. Step 4: Simplify right side
    13,430,118.32x = 87,286,194,171,932.06
  5. Step 5: Solve for x
    x = 87,286,194,171,932.06/13,430,118.32
  6. Step 6: Final answer
    x = 6,499,287.06

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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.