Home / 12,534,938.96-17,185,560.34-12,308,190.80

Finding the Fourth Proportional to 12,534,938.96, 17,185,560.34 and 12,308,190.80

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Solution

The fourth proportional to 12,534,938.96, 17,185,560.34 and 12,308,190.80 is: 16,874,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534,938.96 : 17,185,560.34 = 12,308,190.80 : x
  2. Step 2: Convert to fraction form
    12,534,938.96/17,185,560.34 = 12,308,190.80/x
  3. Step 3: Cross multiply
    12,534,938.96x = 17,185,560.34 × 12,308,190.80
  4. Step 4: Simplify right side
    12,534,938.96x = 211,523,155,669,632.88
  5. Step 5: Solve for x
    x = 211,523,155,669,632.88/12,534,938.96
  6. Step 6: Final answer
    x = 16,874,685.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.