Home / 9,251,909.22-12,768,970.20-5,330,914.38

Finding the Fourth Proportional to 9,251,909.22, 12,768,970.20 and 5,330,914.38

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Solution

The fourth proportional to 9,251,909.22, 12,768,970.20 and 5,330,914.38 is: 7,357,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251,909.22 : 12,768,970.20 = 5,330,914.38 : x
  2. Step 2: Convert to fraction form
    9,251,909.22/12,768,970.20 = 5,330,914.38/x
  3. Step 3: Cross multiply
    9,251,909.22x = 12,768,970.20 × 5,330,914.38
  4. Step 4: Simplify right side
    9,251,909.22x = 68,070,286,856,971.47
  5. Step 5: Solve for x
    x = 68,070,286,856,971.47/9,251,909.22
  6. Step 6: Final answer
    x = 7,357,431.34

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1.5x scale

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.