Home / 12,138,859.10-18,203,039.85-6,071,246.30

Finding the Fourth Proportional to 12,138,859.10, 18,203,039.85 and 6,071,246.30

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Solution

The fourth proportional to 12,138,859.10, 18,203,039.85 and 6,071,246.30 is: 9,104,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,859.10 : 18,203,039.85 = 6,071,246.30 : x
  2. Step 2: Convert to fraction form
    12,138,859.10/18,203,039.85 = 6,071,246.30/x
  3. Step 3: Cross multiply
    12,138,859.10x = 18,203,039.85 × 6,071,246.30
  4. Step 4: Simplify right side
    12,138,859.10x = 110,515,138,338,065.06
  5. Step 5: Solve for x
    x = 110,515,138,338,065.06/12,138,859.10
  6. Step 6: Final answer
    x = 9,104,244.26

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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.