Home / 18,840,014.40-28,260,021.60-6,871,195.20

Finding the Fourth Proportional to 18,840,014.40, 28,260,021.60 and 6,871,195.20

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Solution

The fourth proportional to 18,840,014.40, 28,260,021.60 and 6,871,195.20 is: 10,306,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840,014.40 : 28,260,021.60 = 6,871,195.20 : x
  2. Step 2: Convert to fraction form
    18,840,014.40/28,260,021.60 = 6,871,195.20/x
  3. Step 3: Cross multiply
    18,840,014.40x = 28,260,021.60 × 6,871,195.20
  4. Step 4: Simplify right side
    18,840,014.40x = 194,180,124,769,816.34
  5. Step 5: Solve for x
    x = 194,180,124,769,816.34/18,840,014.40
  6. Step 6: Final answer
    x = 10,306,792.80

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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.