Home / 22,201,986.60-33,302,979.90-21,245,392.80

Finding the Fourth Proportional to 22,201,986.60, 33,302,979.90 and 21,245,392.80

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Solution

The fourth proportional to 22,201,986.60, 33,302,979.90 and 21,245,392.80 is: 31,868,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201,986.60 : 33,302,979.90 = 21,245,392.80 : x
  2. Step 2: Convert to fraction form
    22,201,986.60/33,302,979.90 = 21,245,392.80/x
  3. Step 3: Cross multiply
    22,201,986.60x = 33,302,979.90 × 21,245,392.80
  4. Step 4: Simplify right side
    22,201,986.60x = 707,534,889,386,004.75
  5. Step 5: Solve for x
    x = 707,534,889,386,004.75/22,201,986.60
  6. Step 6: Final answer
    x = 31,868,089.20

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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.