Home / 13,173,828.03-18,179,491.50-7,293,723.75

Finding the Fourth Proportional to 13,173,828.03, 18,179,491.50 and 7,293,723.75

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Solution

The fourth proportional to 13,173,828.03, 18,179,491.50 and 7,293,723.75 is: 10,065,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,828.03 : 18,179,491.50 = 7,293,723.75 : x
  2. Step 2: Convert to fraction form
    13,173,828.03/18,179,491.50 = 7,293,723.75/x
  3. Step 3: Cross multiply
    13,173,828.03x = 18,179,491.50 × 7,293,723.75
  4. Step 4: Simplify right side
    13,173,828.03x = 132,596,188,916,473.12
  5. Step 5: Solve for x
    x = 132,596,188,916,473.12/13,173,828.03
  6. Step 6: Final answer
    x = 10,065,122.20

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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.