Home / 40,982,948.20-61,545,281.10-21,851,072.20

Finding the Fourth Proportional to 40,982,948.20, 61,545,281.10 and 21,851,072.20

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Solution

The fourth proportional to 40,982,948.20, 61,545,281.10 and 21,851,072.20 is: 32,814,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,982,948.20 : 61,545,281.10 = 21,851,072.20 : x
  2. Step 2: Convert to fraction form
    40,982,948.20/61,545,281.10 = 21,851,072.20/x
  3. Step 3: Cross multiply
    40,982,948.20x = 61,545,281.10 × 21,851,072.20
  4. Step 4: Simplify right side
    40,982,948.20x = 1,344,830,380,885,395.50
  5. Step 5: Solve for x
    x = 1,344,830,380,885,395.50/40,982,948.20
  6. Step 6: Final answer
    x = 32,814,388.42

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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.