Home / 13,438,791.42-20,161,044.81-4,341,410.88

Finding the Fourth Proportional to 13,438,791.42, 20,161,044.81 and 4,341,410.88

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Solution

The fourth proportional to 13,438,791.42, 20,161,044.81 and 4,341,410.88 is: 6,513,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,791.42 : 20,161,044.81 = 4,341,410.88 : x
  2. Step 2: Convert to fraction form
    13,438,791.42/20,161,044.81 = 4,341,410.88/x
  3. Step 3: Cross multiply
    13,438,791.42x = 20,161,044.81 × 4,341,410.88
  4. Step 4: Simplify right side
    13,438,791.42x = 87,527,379,290,301.53
  5. Step 5: Solve for x
    x = 87,527,379,290,301.53/13,438,791.42
  6. Step 6: Final answer
    x = 6,513,039.50

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1.5x scale

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.