Home / 22,144,420.80-33,216,631.20-21,294,115.20

Finding the Fourth Proportional to 22,144,420.80, 33,216,631.20 and 21,294,115.20

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Solution

The fourth proportional to 22,144,420.80, 33,216,631.20 and 21,294,115.20 is: 31,941,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144,420.80 : 33,216,631.20 = 21,294,115.20 : x
  2. Step 2: Convert to fraction form
    22,144,420.80/33,216,631.20 = 21,294,115.20/x
  3. Step 3: Cross multiply
    22,144,420.80x = 33,216,631.20 × 21,294,115.20
  4. Step 4: Simplify right side
    22,144,420.80x = 707,318,771,328,714.25
  5. Step 5: Solve for x
    x = 707,318,771,328,714.25/22,144,420.80
  6. Step 6: Final answer
    x = 31,941,172.80

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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.