Home / 20,334,865.20-30,502,297.80-6,871,498.80

Finding the Fourth Proportional to 20,334,865.20, 30,502,297.80 and 6,871,498.80

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Solution

The fourth proportional to 20,334,865.20, 30,502,297.80 and 6,871,498.80 is: 10,307,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,865.20 : 30,502,297.80 = 6,871,498.80 : x
  2. Step 2: Convert to fraction form
    20,334,865.20/30,502,297.80 = 6,871,498.80/x
  3. Step 3: Cross multiply
    20,334,865.20x = 30,502,297.80 × 6,871,498.80
  4. Step 4: Simplify right side
    20,334,865.20x = 209,596,502,729,942.62
  5. Step 5: Solve for x
    x = 209,596,502,729,942.62/20,334,865.20
  6. Step 6: Final answer
    x = 10,307,248.20

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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.