Home / 19,556,413.20-29,313,624.60-7,421,187.60

Finding the Fourth Proportional to 19,556,413.20, 29,313,624.60 and 7,421,187.60

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Solution

The fourth proportional to 19,556,413.20, 29,313,624.60 and 7,421,187.60 is: 11,123,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556,413.20 : 29,313,624.60 = 7,421,187.60 : x
  2. Step 2: Convert to fraction form
    19,556,413.20/29,313,624.60 = 7,421,187.60/x
  3. Step 3: Cross multiply
    19,556,413.20x = 29,313,624.60 × 7,421,187.60
  4. Step 4: Simplify right side
    19,556,413.20x = 217,541,907,392,574.97
  5. Step 5: Solve for x
    x = 217,541,907,392,574.97/19,556,413.20
  6. Step 6: Final answer
    x = 11,123,814.23

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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.