Home / 18,445,076.80-27,667,615.20-12,398,459.20

Finding the Fourth Proportional to 18,445,076.80, 27,667,615.20 and 12,398,459.20

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Solution

The fourth proportional to 18,445,076.80, 27,667,615.20 and 12,398,459.20 is: 18,597,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,076.80 : 27,667,615.20 = 12,398,459.20 : x
  2. Step 2: Convert to fraction form
    18,445,076.80/27,667,615.20 = 12,398,459.20/x
  3. Step 3: Cross multiply
    18,445,076.80x = 27,667,615.20 × 12,398,459.20
  4. Step 4: Simplify right side
    18,445,076.80x = 343,035,798,218,499.81
  5. Step 5: Solve for x
    x = 343,035,798,218,499.81/18,445,076.80
  6. Step 6: Final answer
    x = 18,597,688.80

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1.5x scale

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.