Home / 13,557,736.75-18,712,392.30-8,054,169.01

Finding the Fourth Proportional to 13,557,736.75, 18,712,392.30 and 8,054,169.01

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Solution

The fourth proportional to 13,557,736.75, 18,712,392.30 and 8,054,169.01 is: 11,116,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557,736.75 : 18,712,392.30 = 8,054,169.01 : x
  2. Step 2: Convert to fraction form
    13,557,736.75/18,712,392.30 = 8,054,169.01/x
  3. Step 3: Cross multiply
    13,557,736.75x = 18,712,392.30 × 8,054,169.01
  4. Step 4: Simplify right side
    13,557,736.75x = 150,712,770,165,622.62
  5. Step 5: Solve for x
    x = 150,712,770,165,622.62/13,557,736.75
  6. Step 6: Final answer
    x = 11,116,366.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.