Home / 15,152,404.96-20,909,789.04-9,037,669.60

Finding the Fourth Proportional to 15,152,404.96, 20,909,789.04 and 9,037,669.60

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Solution

The fourth proportional to 15,152,404.96, 20,909,789.04 and 9,037,669.60 is: 12,471,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152,404.96 : 20,909,789.04 = 9,037,669.60 : x
  2. Step 2: Convert to fraction form
    15,152,404.96/20,909,789.04 = 9,037,669.60/x
  3. Step 3: Cross multiply
    15,152,404.96x = 20,909,789.04 × 9,037,669.60
  4. Step 4: Simplify right side
    15,152,404.96x = 188,975,764,749,221.16
  5. Step 5: Solve for x
    x = 188,975,764,749,221.16/15,152,404.96
  6. Step 6: Final answer
    x = 12,471,668.05

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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.