Home / 12,513,026.60-18,738,047.10-8,230,005.80

Finding the Fourth Proportional to 12,513,026.60, 18,738,047.10 and 8,230,005.80

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Solution

The fourth proportional to 12,513,026.60, 18,738,047.10 and 8,230,005.80 is: 12,324,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,026.60 : 18,738,047.10 = 8,230,005.80 : x
  2. Step 2: Convert to fraction form
    12,513,026.60/18,738,047.10 = 8,230,005.80/x
  3. Step 3: Cross multiply
    12,513,026.60x = 18,738,047.10 × 8,230,005.80
  4. Step 4: Simplify right side
    12,513,026.60x = 154,214,236,313,673.19
  5. Step 5: Solve for x
    x = 154,214,236,313,673.19/12,513,026.60
  6. Step 6: Final answer
    x = 12,324,295.41

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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.