Home / 18,701,812.80-28,052,719.20-8,064,244.80

Finding the Fourth Proportional to 18,701,812.80, 28,052,719.20 and 8,064,244.80

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Solution

The fourth proportional to 18,701,812.80, 28,052,719.20 and 8,064,244.80 is: 12,096,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,812.80 : 28,052,719.20 = 8,064,244.80 : x
  2. Step 2: Convert to fraction form
    18,701,812.80/28,052,719.20 = 8,064,244.80/x
  3. Step 3: Cross multiply
    18,701,812.80x = 28,052,719.20 × 8,064,244.80
  4. Step 4: Simplify right side
    18,701,812.80x = 226,223,994,934,460.16
  5. Step 5: Solve for x
    x = 226,223,994,934,460.16/18,701,812.80
  6. Step 6: Final answer
    x = 12,096,367.20

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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.