Home / 13,501,551.92-18,632,164.20-7,390,367.60

Finding the Fourth Proportional to 13,501,551.92, 18,632,164.20 and 7,390,367.60

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Solution

The fourth proportional to 13,501,551.92, 18,632,164.20 and 7,390,367.60 is: 10,198,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,551.92 : 18,632,164.20 = 7,390,367.60 : x
  2. Step 2: Convert to fraction form
    13,501,551.92/18,632,164.20 = 7,390,367.60/x
  3. Step 3: Cross multiply
    13,501,551.92x = 18,632,164.20 × 7,390,367.60
  4. Step 4: Simplify right side
    13,501,551.92x = 137,698,542,621,559.91
  5. Step 5: Solve for x
    x = 137,698,542,621,559.91/13,501,551.92
  6. Step 6: Final answer
    x = 10,198,719.63

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1.5x scale

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.