Home / 18,782,555.94-28,111,057.11-10,693,360.08

Finding the Fourth Proportional to 18,782,555.94, 28,111,057.11 and 10,693,360.08

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Solution

The fourth proportional to 18,782,555.94, 28,111,057.11 and 10,693,360.08 is: 16,004,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782,555.94 : 28,111,057.11 = 10,693,360.08 : x
  2. Step 2: Convert to fraction form
    18,782,555.94/28,111,057.11 = 10,693,360.08/x
  3. Step 3: Cross multiply
    18,782,555.94x = 28,111,057.11 × 10,693,360.08
  4. Step 4: Simplify right side
    18,782,555.94x = 300,601,655,906,674.19
  5. Step 5: Solve for x
    x = 300,601,655,906,674.19/18,782,555.94
  6. Step 6: Final answer
    x = 16,004,299.78

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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.