Home / 13,269,632.05-18,311,503.21-7,389,569.55

Finding the Fourth Proportional to 13,269,632.05, 18,311,503.21 and 7,389,569.55

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Solution

The fourth proportional to 13,269,632.05, 18,311,503.21 and 7,389,569.55 is: 10,197,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,632.05 : 18,311,503.21 = 7,389,569.55 : x
  2. Step 2: Convert to fraction form
    13,269,632.05/18,311,503.21 = 7,389,569.55/x
  3. Step 3: Cross multiply
    13,269,632.05x = 18,311,503.21 × 7,389,569.55
  4. Step 4: Simplify right side
    13,269,632.05x = 135,314,126,535,343.27
  5. Step 5: Solve for x
    x = 135,314,126,535,343.27/13,269,632.05
  6. Step 6: Final answer
    x = 10,197,277.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.