Home / 13,610,919.86-18,782,832.92-7,416,017.48

Finding the Fourth Proportional to 13,610,919.86, 18,782,832.92 and 7,416,017.48

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Solution

The fourth proportional to 13,610,919.86, 18,782,832.92 and 7,416,017.48 is: 10,233,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,919.86 : 18,782,832.92 = 7,416,017.48 : x
  2. Step 2: Convert to fraction form
    13,610,919.86/18,782,832.92 = 7,416,017.48/x
  3. Step 3: Cross multiply
    13,610,919.86x = 18,782,832.92 × 7,416,017.48
  4. Step 4: Simplify right side
    13,610,919.86x = 139,293,817,268,516.42
  5. Step 5: Solve for x
    x = 139,293,817,268,516.42/13,610,919.86
  6. Step 6: Final answer
    x = 10,233,975.27

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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.