Home / 20,556,969-30,837,355.85-6,724,006.08

Finding the Fourth Proportional to 20,556,969, 30,837,355.85 and 6,724,006.08

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Solution

The fourth proportional to 20,556,969, 30,837,355.85 and 6,724,006.08 is: 10,086,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,556,969 : 30,837,355.85 = 6,724,006.08 : x
  2. Step 2: Convert to fraction form
    20,556,969/30,837,355.85 = 6,724,006.08/x
  3. Step 3: Cross multiply
    20,556,969x = 30,837,355.85 × 6,724,006.08
  4. Step 4: Simplify right side
    20,556,969x = 207,350,568,226,523.59
  5. Step 5: Solve for x
    x = 207,350,568,226,523.59/20,556,969
  6. Step 6: Final answer
    x = 10,086,631.36

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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.