Home / 7,427,944.92-11,142,908.88-2,939,171.16

Finding the Fourth Proportional to 7,427,944.92, 11,142,908.88 and 2,939,171.16

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Solution

The fourth proportional to 7,427,944.92, 11,142,908.88 and 2,939,171.16 is: 4,409,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,944.92 : 11,142,908.88 = 2,939,171.16 : x
  2. Step 2: Convert to fraction form
    7,427,944.92/11,142,908.88 = 2,939,171.16/x
  3. Step 3: Cross multiply
    7,427,944.92x = 11,142,908.88 × 2,939,171.16
  4. Step 4: Simplify right side
    7,427,944.92x = 32,750,916,418,603.91
  5. Step 5: Solve for x
    x = 32,750,916,418,603.91/7,427,944.92
  6. Step 6: Final answer
    x = 4,409,149.07

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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.