Home / 13,501,758-18,632,601-7,390,055.28

Finding the Fourth Proportional to 13,501,758, 18,632,601 and 7,390,055.28

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Solution

The fourth proportional to 13,501,758, 18,632,601 and 7,390,055.28 is: 10,198,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,758 : 18,632,601 = 7,390,055.28 : x
  2. Step 2: Convert to fraction form
    13,501,758/18,632,601 = 7,390,055.28/x
  3. Step 3: Cross multiply
    13,501,758x = 18,632,601 × 7,390,055.28
  4. Step 4: Simplify right side
    13,501,758x = 137,695,951,400,183.28
  5. Step 5: Solve for x
    x = 137,695,951,400,183.28/13,501,758
  6. Step 6: Final answer
    x = 10,198,372.05

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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.