Home / 20,549,143.55-30,825,151.47-8,253,107.84

Finding the Fourth Proportional to 20,549,143.55, 30,825,151.47 and 8,253,107.84

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Solution

The fourth proportional to 20,549,143.55, 30,825,151.47 and 8,253,107.84 is: 12,380,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,143.55 : 30,825,151.47 = 8,253,107.84 : x
  2. Step 2: Convert to fraction form
    20,549,143.55/30,825,151.47 = 8,253,107.84/x
  3. Step 3: Cross multiply
    20,549,143.55x = 30,825,151.47 × 8,253,107.84
  4. Step 4: Simplify right side
    20,549,143.55x = 254,403,299,343,307.41
  5. Step 5: Solve for x
    x = 254,403,299,343,307.41/20,549,143.55
  6. Step 6: Final answer
    x = 12,380,238.56

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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.