Home / 20,218,304.45-30,335,751.08-7,444,928.45

Finding the Fourth Proportional to 20,218,304.45, 30,335,751.08 and 7,444,928.45

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Solution

The fourth proportional to 20,218,304.45, 30,335,751.08 and 7,444,928.45 is: 11,170,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,304.45 : 30,335,751.08 = 7,444,928.45 : x
  2. Step 2: Convert to fraction form
    20,218,304.45/30,335,751.08 = 7,444,928.45/x
  3. Step 3: Cross multiply
    20,218,304.45x = 30,335,751.08 × 7,444,928.45
  4. Step 4: Simplify right side
    20,218,304.45x = 225,847,496,267,610.22
  5. Step 5: Solve for x
    x = 225,847,496,267,610.22/20,218,304.45
  6. Step 6: Final answer
    x = 11,170,446.90

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1.5x scale

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.