Home / 12,003,792.63-18,005,701.92-5,618,529.01

Finding the Fourth Proportional to 12,003,792.63, 18,005,701.92 and 5,618,529.01

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Solution

The fourth proportional to 12,003,792.63, 18,005,701.92 and 5,618,529.01 is: 8,427,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,792.63 : 18,005,701.92 = 5,618,529.01 : x
  2. Step 2: Convert to fraction form
    12,003,792.63/18,005,701.92 = 5,618,529.01/x
  3. Step 3: Cross multiply
    12,003,792.63x = 18,005,701.92 × 5,618,529.01
  4. Step 4: Simplify right side
    12,003,792.63x = 101,165,558,582,932.70
  5. Step 5: Solve for x
    x = 101,165,558,582,932.70/12,003,792.63
  6. Step 6: Final answer
    x = 8,427,799.59

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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.