Home / 19,556,427.20-29,313,645.60-7,421,201.60

Finding the Fourth Proportional to 19,556,427.20, 29,313,645.60 and 7,421,201.60

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Solution

The fourth proportional to 19,556,427.20, 29,313,645.60 and 7,421,201.60 is: 11,123,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556,427.20 : 29,313,645.60 = 7,421,201.60 : x
  2. Step 2: Convert to fraction form
    19,556,427.20/29,313,645.60 = 7,421,201.60/x
  3. Step 3: Cross multiply
    19,556,427.20x = 29,313,645.60 × 7,421,201.60
  4. Step 4: Simplify right side
    19,556,427.20x = 217,542,473,628,552.97
  5. Step 5: Solve for x
    x = 217,542,473,628,552.97/19,556,427.20
  6. Step 6: Final answer
    x = 11,123,835.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.