Home / 20,037,749.22-30,037,924.92-7,907,313.12

Finding the Fourth Proportional to 20,037,749.22, 30,037,924.92 and 7,907,313.12

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Solution

The fourth proportional to 20,037,749.22, 30,037,924.92 and 7,907,313.12 is: 11,853,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037,749.22 : 30,037,924.92 = 7,907,313.12 : x
  2. Step 2: Convert to fraction form
    20,037,749.22/30,037,924.92 = 7,907,313.12/x
  3. Step 3: Cross multiply
    20,037,749.22x = 30,037,924.92 × 7,907,313.12
  4. Step 4: Simplify right side
    20,037,749.22x = 237,519,277,817,490.97
  5. Step 5: Solve for x
    x = 237,519,277,817,490.97/20,037,749.22
  6. Step 6: Final answer
    x = 11,853,590.70

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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.