Home / 18,616,246.80-27,924,370.20-12,569,629.20

Finding the Fourth Proportional to 18,616,246.80, 27,924,370.20 and 12,569,629.20

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Solution

The fourth proportional to 18,616,246.80, 27,924,370.20 and 12,569,629.20 is: 18,854,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616,246.80 : 27,924,370.20 = 12,569,629.20 : x
  2. Step 2: Convert to fraction form
    18,616,246.80/27,924,370.20 = 12,569,629.20/x
  3. Step 3: Cross multiply
    18,616,246.80x = 27,924,370.20 × 12,569,629.20
  4. Step 4: Simplify right side
    18,616,246.80x = 350,998,979,057,529.81
  5. Step 5: Solve for x
    x = 350,998,979,057,529.81/18,616,246.80
  6. Step 6: Final answer
    x = 18,854,443.80

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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.