Home / 20,736,099.70-31,104,149.56-19,224,445.30

Finding the Fourth Proportional to 20,736,099.70, 31,104,149.56 and 19,224,445.30

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Solution

The fourth proportional to 20,736,099.70, 31,104,149.56 and 19,224,445.30 is: 28,836,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,099.70 : 31,104,149.56 = 19,224,445.30 : x
  2. Step 2: Convert to fraction form
    20,736,099.70/31,104,149.56 = 19,224,445.30/x
  3. Step 3: Cross multiply
    20,736,099.70x = 31,104,149.56 × 19,224,445.30
  4. Step 4: Simplify right side
    20,736,099.70x = 597,960,021,819,239.12
  5. Step 5: Solve for x
    x = 597,960,021,819,239.12/20,736,099.70
  6. Step 6: Final answer
    x = 28,836,667.96

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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.