Home / 20,155,942.80-30,233,914.20-11,054,523.60

Finding the Fourth Proportional to 20,155,942.80, 30,233,914.20 and 11,054,523.60

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Solution

The fourth proportional to 20,155,942.80, 30,233,914.20 and 11,054,523.60 is: 16,581,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,942.80 : 30,233,914.20 = 11,054,523.60 : x
  2. Step 2: Convert to fraction form
    20,155,942.80/30,233,914.20 = 11,054,523.60/x
  3. Step 3: Cross multiply
    20,155,942.80x = 30,233,914.20 × 11,054,523.60
  4. Step 4: Simplify right side
    20,155,942.80x = 334,221,518,044,275.12
  5. Step 5: Solve for x
    x = 334,221,518,044,275.12/20,155,942.80
  6. Step 6: Final answer
    x = 16,581,785.40

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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.