Home / 22,146,020.20-33,219,030.30-20,354,429.80

Finding the Fourth Proportional to 22,146,020.20, 33,219,030.30 and 20,354,429.80

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Solution

The fourth proportional to 22,146,020.20, 33,219,030.30 and 20,354,429.80 is: 30,531,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146,020.20 : 33,219,030.30 = 20,354,429.80 : x
  2. Step 2: Convert to fraction form
    22,146,020.20/33,219,030.30 = 20,354,429.80/x
  3. Step 3: Cross multiply
    22,146,020.20x = 33,219,030.30 × 20,354,429.80
  4. Step 4: Simplify right side
    22,146,020.20x = 676,154,420,265,423
  5. Step 5: Solve for x
    x = 676,154,420,265,423/22,146,020.20
  6. Step 6: Final answer
    x = 30,531,644.70

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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.