Home / 20,585,120.42-30,871,176-6,935,086.04

Finding the Fourth Proportional to 20,585,120.42, 30,871,176 and 6,935,086.04

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Solution

The fourth proportional to 20,585,120.42, 30,871,176 and 6,935,086.04 is: 10,400,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,585,120.42 : 30,871,176 = 6,935,086.04 : x
  2. Step 2: Convert to fraction form
    20,585,120.42/30,871,176 = 6,935,086.04/x
  3. Step 3: Cross multiply
    20,585,120.42x = 30,871,176 × 6,935,086.04
  4. Step 4: Simplify right side
    20,585,120.42x = 214,094,261,561,627.16
  5. Step 5: Solve for x
    x = 214,094,261,561,627.16/20,585,120.42
  6. Step 6: Final answer
    x = 10,400,437.66

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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.