Home / 18,568,082.70-27,852,124.05-7,781,798.70

Finding the Fourth Proportional to 18,568,082.70, 27,852,124.05 and 7,781,798.70

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Solution

The fourth proportional to 18,568,082.70, 27,852,124.05 and 7,781,798.70 is: 11,672,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568,082.70 : 27,852,124.05 = 7,781,798.70 : x
  2. Step 2: Convert to fraction form
    18,568,082.70/27,852,124.05 = 7,781,798.70/x
  3. Step 3: Cross multiply
    18,568,082.70x = 27,852,124.05 × 7,781,798.70
  4. Step 4: Simplify right side
    18,568,082.70x = 216,739,622,724,528.75
  5. Step 5: Solve for x
    x = 216,739,622,724,528.75/18,568,082.70
  6. Step 6: Final answer
    x = 11,672,698.05

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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.