Home / 42,399,890.28-58,496,947.65-27,724,147.11

Finding the Fourth Proportional to 42,399,890.28, 58,496,947.65 and 27,724,147.11

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Solution

The fourth proportional to 42,399,890.28, 58,496,947.65 and 27,724,147.11 is: 38,249,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,399,890.28 : 58,496,947.65 = 27,724,147.11 : x
  2. Step 2: Convert to fraction form
    42,399,890.28/58,496,947.65 = 27,724,147.11/x
  3. Step 3: Cross multiply
    42,399,890.28x = 58,496,947.65 × 27,724,147.11
  4. Step 4: Simplify right side
    42,399,890.28x = 1,621,777,982,134,568.75
  5. Step 5: Solve for x
    x = 1,621,777,982,134,568.75/42,399,890.28
  6. Step 6: Final answer
    x = 38,249,579.69

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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.