Home / 14,510,782.37-21,765,456.17-5,412,171.17

Finding the Fourth Proportional to 14,510,782.37, 21,765,456.17 and 5,412,171.17

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Solution

The fourth proportional to 14,510,782.37, 21,765,456.17 and 5,412,171.17 is: 8,117,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510,782.37 : 21,765,456.17 = 5,412,171.17 : x
  2. Step 2: Convert to fraction form
    14,510,782.37/21,765,456.17 = 5,412,171.17/x
  3. Step 3: Cross multiply
    14,510,782.37x = 21,765,456.17 × 5,412,171.17
  4. Step 4: Simplify right side
    14,510,782.37x = 117,798,374,432,821.05
  5. Step 5: Solve for x
    x = 117,798,374,432,821.05/14,510,782.37
  6. Step 6: Final answer
    x = 8,117,989.19

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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.