Home / 19,389,755.49-26,759,059.74-10,687,908.48

Finding the Fourth Proportional to 19,389,755.49, 26,759,059.74 and 10,687,908.48

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Solution

The fourth proportional to 19,389,755.49, 26,759,059.74 and 10,687,908.48 is: 14,749,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389,755.49 : 26,759,059.74 = 10,687,908.48 : x
  2. Step 2: Convert to fraction form
    19,389,755.49/26,759,059.74 = 10,687,908.48/x
  3. Step 3: Cross multiply
    19,389,755.49x = 26,759,059.74 × 10,687,908.48
  4. Step 4: Simplify right side
    19,389,755.49x = 285,998,381,511,972.56
  5. Step 5: Solve for x
    x = 285,998,381,511,972.56/19,389,755.49
  6. Step 6: Final answer
    x = 14,749,973.60

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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.