Home / 13,854,759.89-19,119,003.80-7,659,412.29

Finding the Fourth Proportional to 13,854,759.89, 19,119,003.80 and 7,659,412.29

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Solution

The fourth proportional to 13,854,759.89, 19,119,003.80 and 7,659,412.29 is: 10,569,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,759.89 : 19,119,003.80 = 7,659,412.29 : x
  2. Step 2: Convert to fraction form
    13,854,759.89/19,119,003.80 = 7,659,412.29/x
  3. Step 3: Cross multiply
    13,854,759.89x = 19,119,003.80 × 7,659,412.29
  4. Step 4: Simplify right side
    13,854,759.89x = 146,440,332,639,979.66
  5. Step 5: Solve for x
    x = 146,440,332,639,979.66/13,854,759.89
  6. Step 6: Final answer
    x = 10,569,676.69

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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.