Home / 12,900,173.58-17,801,793.27-7,098,412.86

Finding the Fourth Proportional to 12,900,173.58, 17,801,793.27 and 7,098,412.86

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Solution

The fourth proportional to 12,900,173.58, 17,801,793.27 and 7,098,412.86 is: 9,795,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,173.58 : 17,801,793.27 = 7,098,412.86 : x
  2. Step 2: Convert to fraction form
    12,900,173.58/17,801,793.27 = 7,098,412.86/x
  3. Step 3: Cross multiply
    12,900,173.58x = 17,801,793.27 × 7,098,412.86
  4. Step 4: Simplify right side
    12,900,173.58x = 126,364,478,278,829.45
  5. Step 5: Solve for x
    x = 126,364,478,278,829.45/12,900,173.58
  6. Step 6: Final answer
    x = 9,795,564.18

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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.