Home / 12,481,260.60-18,721,890.90-10,938,502.20

Finding the Fourth Proportional to 12,481,260.60, 18,721,890.90 and 10,938,502.20

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Solution

The fourth proportional to 12,481,260.60, 18,721,890.90 and 10,938,502.20 is: 16,407,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,260.60 : 18,721,890.90 = 10,938,502.20 : x
  2. Step 2: Convert to fraction form
    12,481,260.60/18,721,890.90 = 10,938,502.20/x
  3. Step 3: Cross multiply
    12,481,260.60x = 18,721,890.90 × 10,938,502.20
  4. Step 4: Simplify right side
    12,481,260.60x = 204,789,444,797,809.94
  5. Step 5: Solve for x
    x = 204,789,444,797,809.94/12,481,260.60
  6. Step 6: Final answer
    x = 16,407,753.30

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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.