Home / 13,851,759.68-19,115,466.82-7,572,362.89

Finding the Fourth Proportional to 13,851,759.68, 19,115,466.82 and 7,572,362.89

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Solution

The fourth proportional to 13,851,759.68, 19,115,466.82 and 7,572,362.89 is: 10,449,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,759.68 : 19,115,466.82 = 7,572,362.89 : x
  2. Step 2: Convert to fraction form
    13,851,759.68/19,115,466.82 = 7,572,362.89/x
  3. Step 3: Cross multiply
    13,851,759.68x = 19,115,466.82 × 7,572,362.89
  4. Step 4: Simplify right side
    13,851,759.68x = 144,749,251,488,153.97
  5. Step 5: Solve for x
    x = 144,749,251,488,153.97/13,851,759.68
  6. Step 6: Final answer
    x = 10,449,881.81

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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.