Home / 7,176,383.04-9,903,336.24-3,913,189.56

Finding the Fourth Proportional to 7,176,383.04, 9,903,336.24 and 3,913,189.56

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Solution

The fourth proportional to 7,176,383.04, 9,903,336.24 and 3,913,189.56 is: 5,400,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,383.04 : 9,903,336.24 = 3,913,189.56 : x
  2. Step 2: Convert to fraction form
    7,176,383.04/9,903,336.24 = 3,913,189.56/x
  3. Step 3: Cross multiply
    7,176,383.04x = 9,903,336.24 × 3,913,189.56
  4. Step 4: Simplify right side
    7,176,383.04x = 38,753,631,983,537.66
  5. Step 5: Solve for x
    x = 38,753,631,983,537.66/7,176,383.04
  6. Step 6: Final answer
    x = 5,400,162.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.