Home / 19,681,786.82-27,160,877.54-10,979,959.46

Finding the Fourth Proportional to 19,681,786.82, 27,160,877.54 and 10,979,959.46

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Solution

The fourth proportional to 19,681,786.82, 27,160,877.54 and 10,979,959.46 is: 15,152,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,786.82 : 27,160,877.54 = 10,979,959.46 : x
  2. Step 2: Convert to fraction form
    19,681,786.82/27,160,877.54 = 10,979,959.46/x
  3. Step 3: Cross multiply
    19,681,786.82x = 27,160,877.54 × 10,979,959.46
  4. Step 4: Simplify right side
    19,681,786.82x = 298,225,334,178,870.06
  5. Step 5: Solve for x
    x = 298,225,334,178,870.06/19,681,786.82
  6. Step 6: Final answer
    x = 15,152,350.59

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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.