Home / 21,809,828.60-32,651,757.30-13,306,772.60

Finding the Fourth Proportional to 21,809,828.60, 32,651,757.30 and 13,306,772.60

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Solution

The fourth proportional to 21,809,828.60, 32,651,757.30 and 13,306,772.60 is: 19,921,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809,828.60 : 32,651,757.30 = 13,306,772.60 : x
  2. Step 2: Convert to fraction form
    21,809,828.60/32,651,757.30 = 13,306,772.60/x
  3. Step 3: Cross multiply
    21,809,828.60x = 32,651,757.30 × 13,306,772.60
  4. Step 4: Simplify right side
    21,809,828.60x = 434,489,509,381,490
  5. Step 5: Solve for x
    x = 434,489,509,381,490/21,809,828.60
  6. Step 6: Final answer
    x = 19,921,729.66

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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.