Home / 13,029,168.78-19,531,045.31-6,203,908.10

Finding the Fourth Proportional to 13,029,168.78, 19,531,045.31 and 6,203,908.10

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Solution

The fourth proportional to 13,029,168.78, 19,531,045.31 and 6,203,908.10 is: 9,299,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,168.78 : 19,531,045.31 = 6,203,908.10 : x
  2. Step 2: Convert to fraction form
    13,029,168.78/19,531,045.31 = 6,203,908.10/x
  3. Step 3: Cross multiply
    13,029,168.78x = 19,531,045.31 × 6,203,908.10
  4. Step 4: Simplify right side
    13,029,168.78x = 121,168,810,200,176
  5. Step 5: Solve for x
    x = 121,168,810,200,176/13,029,168.78
  6. Step 6: Final answer
    x = 9,299,811.23

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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.