Home / 19,431,621.80-29,147,432.70-8,066,220.20

Finding the Fourth Proportional to 19,431,621.80, 29,147,432.70 and 8,066,220.20

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Solution

The fourth proportional to 19,431,621.80, 29,147,432.70 and 8,066,220.20 is: 12,099,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,621.80 : 29,147,432.70 = 8,066,220.20 : x
  2. Step 2: Convert to fraction form
    19,431,621.80/29,147,432.70 = 8,066,220.20/x
  3. Step 3: Cross multiply
    19,431,621.80x = 29,147,432.70 × 8,066,220.20
  4. Step 4: Simplify right side
    19,431,621.80x = 235,109,610,422,880.53
  5. Step 5: Solve for x
    x = 235,109,610,422,880.53/19,431,621.80
  6. Step 6: Final answer
    x = 12,099,330.30

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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.