Home / 13,397,781.36-18,493,101.28-10,649,345.64

Finding the Fourth Proportional to 13,397,781.36, 18,493,101.28 and 10,649,345.64

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Solution

The fourth proportional to 13,397,781.36, 18,493,101.28 and 10,649,345.64 is: 14,699,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397,781.36 : 18,493,101.28 = 10,649,345.64 : x
  2. Step 2: Convert to fraction form
    13,397,781.36/18,493,101.28 = 10,649,345.64/x
  3. Step 3: Cross multiply
    13,397,781.36x = 18,493,101.28 × 10,649,345.64
  4. Step 4: Simplify right side
    13,397,781.36x = 196,939,427,486,246.44
  5. Step 5: Solve for x
    x = 196,939,427,486,246.44/13,397,781.36
  6. Step 6: Final answer
    x = 14,699,405.98

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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.