Home / 20,627,628.48-30,933,472.32-6,977,145.60

Finding the Fourth Proportional to 20,627,628.48, 30,933,472.32 and 6,977,145.60

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Solution

The fourth proportional to 20,627,628.48, 30,933,472.32 and 6,977,145.60 is: 10,463,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627,628.48 : 30,933,472.32 = 6,977,145.60 : x
  2. Step 2: Convert to fraction form
    20,627,628.48/30,933,472.32 = 6,977,145.60/x
  3. Step 3: Cross multiply
    20,627,628.48x = 30,933,472.32 × 6,977,145.60
  4. Step 4: Simplify right side
    20,627,628.48x = 215,827,340,290,209.78
  5. Step 5: Solve for x
    x = 215,827,340,290,209.78/20,627,628.48
  6. Step 6: Final answer
    x = 10,463,022.47

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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.