Home / 20,752,461.40-31,137,549.46-9,964,209.10

Finding the Fourth Proportional to 20,752,461.40, 31,137,549.46 and 9,964,209.10

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Solution

The fourth proportional to 20,752,461.40, 31,137,549.46 and 9,964,209.10 is: 14,950,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752,461.40 : 31,137,549.46 = 9,964,209.10 : x
  2. Step 2: Convert to fraction form
    20,752,461.40/31,137,549.46 = 9,964,209.10/x
  3. Step 3: Cross multiply
    20,752,461.40x = 31,137,549.46 × 9,964,209.10
  4. Step 4: Simplify right side
    20,752,461.40x = 310,261,053,681,032.06
  5. Step 5: Solve for x
    x = 310,261,053,681,032.06/20,752,461.40
  6. Step 6: Final answer
    x = 14,950,566.48

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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.