Home / 13,612,807.60-20,360,162.40-12,183,821.80

Finding the Fourth Proportional to 13,612,807.60, 20,360,162.40 and 12,183,821.80

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Solution

The fourth proportional to 13,612,807.60, 20,360,162.40 and 12,183,821.80 is: 18,222,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,807.60 : 20,360,162.40 = 12,183,821.80 : x
  2. Step 2: Convert to fraction form
    13,612,807.60/20,360,162.40 = 12,183,821.80/x
  3. Step 3: Cross multiply
    13,612,807.60x = 20,360,162.40 × 12,183,821.80
  4. Step 4: Simplify right side
    13,612,807.60x = 248,064,590,500,660.31
  5. Step 5: Solve for x
    x = 248,064,590,500,660.31/13,612,807.60
  6. Step 6: Final answer
    x = 18,222,882.29

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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.