Home / 15,556,799.70-21,729,131.10-15,556,799.70

Finding the Fourth Proportional to 15,556,799.70, 21,729,131.10 and 15,556,799.70

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Solution

The fourth proportional to 15,556,799.70, 21,729,131.10 and 15,556,799.70 is: 21,729,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556,799.70 : 21,729,131.10 = 15,556,799.70 : x
  2. Step 2: Convert to fraction form
    15,556,799.70/21,729,131.10 = 15,556,799.70/x
  3. Step 3: Cross multiply
    15,556,799.70x = 21,729,131.10 × 15,556,799.70
  4. Step 4: Simplify right side
    15,556,799.70x = 338,035,740,177,740.69
  5. Step 5: Solve for x
    x = 338,035,740,177,740.69/15,556,799.70
  6. Step 6: Final answer
    x = 21,729,131.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.