Home / 20,163,366.20-30,241,550.10-7,377,289.40

Finding the Fourth Proportional to 20,163,366.20, 30,241,550.10 and 7,377,289.40

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Solution

The fourth proportional to 20,163,366.20, 30,241,550.10 and 7,377,289.40 is: 11,064,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163,366.20 : 30,241,550.10 = 7,377,289.40 : x
  2. Step 2: Convert to fraction form
    20,163,366.20/30,241,550.10 = 7,377,289.40/x
  3. Step 3: Cross multiply
    20,163,366.20x = 30,241,550.10 × 7,377,289.40
  4. Step 4: Simplify right side
    20,163,366.20x = 223,100,666,992,298.97
  5. Step 5: Solve for x
    x = 223,100,666,992,298.97/20,163,366.20
  6. Step 6: Final answer
    x = 11,064,653.83

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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.