Home / 20,347,309.70-30,520,964.55-6,884,137.70

Finding the Fourth Proportional to 20,347,309.70, 30,520,964.55 and 6,884,137.70

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Solution

The fourth proportional to 20,347,309.70, 30,520,964.55 and 6,884,137.70 is: 10,326,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347,309.70 : 30,520,964.55 = 6,884,137.70 : x
  2. Step 2: Convert to fraction form
    20,347,309.70/30,520,964.55 = 6,884,137.70/x
  3. Step 3: Cross multiply
    20,347,309.70x = 30,520,964.55 × 6,884,137.70
  4. Step 4: Simplify right side
    20,347,309.70x = 210,110,522,699,018.53
  5. Step 5: Solve for x
    x = 210,110,522,699,018.53/20,347,309.70
  6. Step 6: Final answer
    x = 10,326,206.55

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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.