Home / 20,585,122.05-30,871,178.43-6,935,087.65

Finding the Fourth Proportional to 20,585,122.05, 30,871,178.43 and 6,935,087.65

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Solution

The fourth proportional to 20,585,122.05, 30,871,178.43 and 6,935,087.65 is: 10,400,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,585,122.05 : 30,871,178.43 = 6,935,087.65 : x
  2. Step 2: Convert to fraction form
    20,585,122.05/30,871,178.43 = 6,935,087.65/x
  3. Step 3: Cross multiply
    20,585,122.05x = 30,871,178.43 × 6,935,087.65
  4. Step 4: Simplify right side
    20,585,122.05x = 214,094,328,270,839.41
  5. Step 5: Solve for x
    x = 214,094,328,270,839.41/20,585,122.05
  6. Step 6: Final answer
    x = 10,400,440.07

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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.