Home / 21,353,706.52-32,081,659.19-13,692,361.66

Finding the Fourth Proportional to 21,353,706.52, 32,081,659.19 and 13,692,361.66

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Solution

The fourth proportional to 21,353,706.52, 32,081,659.19 and 13,692,361.66 is: 20,571,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,706.52 : 32,081,659.19 = 13,692,361.66 : x
  2. Step 2: Convert to fraction form
    21,353,706.52/32,081,659.19 = 13,692,361.66/x
  3. Step 3: Cross multiply
    21,353,706.52x = 32,081,659.19 × 13,692,361.66
  4. Step 4: Simplify right side
    21,353,706.52x = 439,273,680,282,342.69
  5. Step 5: Solve for x
    x = 439,273,680,282,342.69/21,353,706.52
  6. Step 6: Final answer
    x = 20,571,308.31

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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.