Home / 20,703,945.40-31,096,273.66-16,868,602.12

Finding the Fourth Proportional to 20,703,945.40, 31,096,273.66 and 16,868,602.12

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Solution

The fourth proportional to 20,703,945.40, 31,096,273.66 and 16,868,602.12 is: 25,335,782.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703,945.40 : 31,096,273.66 = 16,868,602.12 : x
  2. Step 2: Convert to fraction form
    20,703,945.40/31,096,273.66 = 16,868,602.12/x
  3. Step 3: Cross multiply
    20,703,945.40x = 31,096,273.66 × 16,868,602.12
  4. Step 4: Simplify right side
    20,703,945.40x = 524,550,667,785,176.19
  5. Step 5: Solve for x
    x = 524,550,667,785,176.19/20,703,945.40
  6. Step 6: Final answer
    x = 25,335,782.99

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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.