Home / 20,752,456.40-31,137,541.95-9,964,204.10

Finding the Fourth Proportional to 20,752,456.40, 31,137,541.95 and 9,964,204.10

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Solution

The fourth proportional to 20,752,456.40, 31,137,541.95 and 9,964,204.10 is: 14,950,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752,456.40 : 31,137,541.95 = 9,964,204.10 : x
  2. Step 2: Convert to fraction form
    20,752,456.40/31,137,541.95 = 9,964,204.10/x
  3. Step 3: Cross multiply
    20,752,456.40x = 31,137,541.95 × 9,964,204.10
  4. Step 4: Simplify right side
    20,752,456.40x = 310,260,823,162,112
  5. Step 5: Solve for x
    x = 310,260,823,162,112/20,752,456.40
  6. Step 6: Final answer
    x = 14,950,558.97

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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.