Home / 20,355,253.20-30,489,033.60-9,556,372.08

Finding the Fourth Proportional to 20,355,253.20, 30,489,033.60 and 9,556,372.08

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Solution

The fourth proportional to 20,355,253.20, 30,489,033.60 and 9,556,372.08 is: 14,313,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355,253.20 : 30,489,033.60 = 9,556,372.08 : x
  2. Step 2: Convert to fraction form
    20,355,253.20/30,489,033.60 = 9,556,372.08/x
  3. Step 3: Cross multiply
    20,355,253.20x = 30,489,033.60 × 9,556,372.08
  4. Step 4: Simplify right side
    20,355,253.20x = 291,364,549,441,221.88
  5. Step 5: Solve for x
    x = 291,364,549,441,221.88/20,355,253.20
  6. Step 6: Final answer
    x = 14,313,973.23

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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.