Home / 20,752,506.90-31,137,617.70-9,964,254.60

Finding the Fourth Proportional to 20,752,506.90, 31,137,617.70 and 9,964,254.60

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Solution

The fourth proportional to 20,752,506.90, 31,137,617.70 and 9,964,254.60 is: 14,950,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752,506.90 : 31,137,617.70 = 9,964,254.60 : x
  2. Step 2: Convert to fraction form
    20,752,506.90/31,137,617.70 = 9,964,254.60/x
  3. Step 3: Cross multiply
    20,752,506.90x = 31,137,617.70 × 9,964,254.60
  4. Step 4: Simplify right side
    20,752,506.90x = 310,263,150,400,266.38
  5. Step 5: Solve for x
    x = 310,263,150,400,266.38/20,752,506.90
  6. Step 6: Final answer
    x = 14,950,634.73

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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.