Home / 11,117,983.81-15,341,979.89-6,766,589.18

Finding the Fourth Proportional to 11,117,983.81, 15,341,979.89 and 6,766,589.18

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Solution

The fourth proportional to 11,117,983.81, 15,341,979.89 and 6,766,589.18 is: 9,337,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117,983.81 : 15,341,979.89 = 6,766,589.18 : x
  2. Step 2: Convert to fraction form
    11,117,983.81/15,341,979.89 = 6,766,589.18/x
  3. Step 3: Cross multiply
    11,117,983.81x = 15,341,979.89 × 6,766,589.18
  4. Step 4: Simplify right side
    11,117,983.81x = 103,812,875,123,451.59
  5. Step 5: Solve for x
    x = 103,812,875,123,451.59/11,117,983.81
  6. Step 6: Final answer
    x = 9,337,383.19

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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.