Home / 18,389,782.13-25,377,897.56-10,659,308.49

Finding the Fourth Proportional to 18,389,782.13, 25,377,897.56 and 10,659,308.49

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Solution

The fourth proportional to 18,389,782.13, 25,377,897.56 and 10,659,308.49 is: 14,709,844.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,782.13 : 25,377,897.56 = 10,659,308.49 : x
  2. Step 2: Convert to fraction form
    18,389,782.13/25,377,897.56 = 10,659,308.49/x
  3. Step 3: Cross multiply
    18,389,782.13x = 25,377,897.56 × 10,659,308.49
  4. Step 4: Simplify right side
    18,389,782.13x = 270,510,838,866,361.75
  5. Step 5: Solve for x
    x = 270,510,838,866,361.75/18,389,782.13
  6. Step 6: Final answer
    x = 14,709,844.69

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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.