Home / 14,138,331.35-21,187,724.78-7,647,388.46

Finding the Fourth Proportional to 14,138,331.35, 21,187,724.78 and 7,647,388.46

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Solution

The fourth proportional to 14,138,331.35, 21,187,724.78 and 7,647,388.46 is: 11,460,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138,331.35 : 21,187,724.78 = 7,647,388.46 : x
  2. Step 2: Convert to fraction form
    14,138,331.35/21,187,724.78 = 7,647,388.46/x
  3. Step 3: Cross multiply
    14,138,331.35x = 21,187,724.78 × 7,647,388.46
  4. Step 4: Simplify right side
    14,138,331.35x = 162,030,761,976,228.06
  5. Step 5: Solve for x
    x = 162,030,761,976,228.06/14,138,331.35
  6. Step 6: Final answer
    x = 11,460,387.93

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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.