Home / 22,223,907.20-33,406,719.60-20,948,448.80

Finding the Fourth Proportional to 22,223,907.20, 33,406,719.60 and 20,948,448.80

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Solution

The fourth proportional to 22,223,907.20, 33,406,719.60 and 20,948,448.80 is: 31,489,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223,907.20 : 33,406,719.60 = 20,948,448.80 : x
  2. Step 2: Convert to fraction form
    22,223,907.20/33,406,719.60 = 20,948,448.80/x
  3. Step 3: Cross multiply
    22,223,907.20x = 33,406,719.60 × 20,948,448.80
  4. Step 4: Simplify right side
    22,223,907.20x = 699,818,955,116,556.50
  5. Step 5: Solve for x
    x = 699,818,955,116,556.50/22,223,907.20
  6. Step 6: Final answer
    x = 31,489,465.32

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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.