Home / 13,508,769.77-18,641,879.74-7,313,766.96

Finding the Fourth Proportional to 13,508,769.77, 18,641,879.74 and 7,313,766.96

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Solution

The fourth proportional to 13,508,769.77, 18,641,879.74 and 7,313,766.96 is: 10,092,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,769.77 : 18,641,879.74 = 7,313,766.96 : x
  2. Step 2: Convert to fraction form
    13,508,769.77/18,641,879.74 = 7,313,766.96/x
  3. Step 3: Cross multiply
    13,508,769.77x = 18,641,879.74 × 7,313,766.96
  4. Step 4: Simplify right side
    13,508,769.77x = 136,342,364,114,705.38
  5. Step 5: Solve for x
    x = 136,342,364,114,705.38/13,508,769.77
  6. Step 6: Final answer
    x = 10,092,877.92

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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.