Home / 20,622,793.68-28,459,930.14-11,330,943.27

Finding the Fourth Proportional to 20,622,793.68, 28,459,930.14 and 11,330,943.27

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Solution

The fourth proportional to 20,622,793.68, 28,459,930.14 and 11,330,943.27 is: 15,636,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,622,793.68 : 28,459,930.14 = 11,330,943.27 : x
  2. Step 2: Convert to fraction form
    20,622,793.68/28,459,930.14 = 11,330,943.27/x
  3. Step 3: Cross multiply
    20,622,793.68x = 28,459,930.14 × 11,330,943.27
  4. Step 4: Simplify right side
    20,622,793.68x = 322,477,853,884,503.12
  5. Step 5: Solve for x
    x = 322,477,853,884,503.12/20,622,793.68
  6. Step 6: Final answer
    x = 15,636,962.62

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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.