Home / 13,770,337.92-19,001,894.94-7,969,479.18

Finding the Fourth Proportional to 13,770,337.92, 19,001,894.94 and 7,969,479.18

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Solution

The fourth proportional to 13,770,337.92, 19,001,894.94 and 7,969,479.18 is: 10,997,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,337.92 : 19,001,894.94 = 7,969,479.18 : x
  2. Step 2: Convert to fraction form
    13,770,337.92/19,001,894.94 = 7,969,479.18/x
  3. Step 3: Cross multiply
    13,770,337.92x = 19,001,894.94 × 7,969,479.18
  4. Step 4: Simplify right side
    13,770,337.92x = 151,435,206,104,877.34
  5. Step 5: Solve for x
    x = 151,435,206,104,877.34/13,770,337.92
  6. Step 6: Final answer
    x = 10,997,203.34

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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.