Home / 20,142,109.33-30,219,059.66-6,494,981.25

Finding the Fourth Proportional to 20,142,109.33, 30,219,059.66 and 6,494,981.25

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Solution

The fourth proportional to 20,142,109.33, 30,219,059.66 and 6,494,981.25 is: 9,744,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,109.33 : 30,219,059.66 = 6,494,981.25 : x
  2. Step 2: Convert to fraction form
    20,142,109.33/30,219,059.66 = 6,494,981.25/x
  3. Step 3: Cross multiply
    20,142,109.33x = 30,219,059.66 × 6,494,981.25
  4. Step 4: Simplify right side
    20,142,109.33x = 196,272,225,884,331.38
  5. Step 5: Solve for x
    x = 196,272,225,884,331.38/20,142,109.33
  6. Step 6: Final answer
    x = 9,744,372.98

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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.