Home / 19,359,889-26,718,208.42-11,100,719.70

Finding the Fourth Proportional to 19,359,889, 26,718,208.42 and 11,100,719.70

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Solution

The fourth proportional to 19,359,889, 26,718,208.42 and 11,100,719.70 is: 15,319,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359,889 : 26,718,208.42 = 11,100,719.70 : x
  2. Step 2: Convert to fraction form
    19,359,889/26,718,208.42 = 11,100,719.70/x
  3. Step 3: Cross multiply
    19,359,889x = 26,718,208.42 × 11,100,719.70
  4. Step 4: Simplify right side
    19,359,889x = 296,591,342,556,599.88
  5. Step 5: Solve for x
    x = 296,591,342,556,599.88/19,359,889
  6. Step 6: Final answer
    x = 15,319,888.59

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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.