Home / 21,327,529.10-29,432,824.63-12,505,754.30

Finding the Fourth Proportional to 21,327,529.10, 29,432,824.63 and 12,505,754.30

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Solution

The fourth proportional to 21,327,529.10, 29,432,824.63 and 12,505,754.30 is: 17,258,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,327,529.10 : 29,432,824.63 = 12,505,754.30 : x
  2. Step 2: Convert to fraction form
    21,327,529.10/29,432,824.63 = 12,505,754.30/x
  3. Step 3: Cross multiply
    21,327,529.10x = 29,432,824.63 × 12,505,754.30
  4. Step 4: Simplify right side
    21,327,529.10x = 368,079,673,220,086.12
  5. Step 5: Solve for x
    x = 368,079,673,220,086.12/21,327,529.10
  6. Step 6: Final answer
    x = 17,258,430.24

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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.