Home / 18,905,613.58-26,089,613.78-10,320,909.58

Finding the Fourth Proportional to 18,905,613.58, 26,089,613.78 and 10,320,909.58

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Solution

The fourth proportional to 18,905,613.58, 26,089,613.78 and 10,320,909.58 is: 14,242,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,905,613.58 : 26,089,613.78 = 10,320,909.58 : x
  2. Step 2: Convert to fraction form
    18,905,613.58/26,089,613.78 = 10,320,909.58/x
  3. Step 3: Cross multiply
    18,905,613.58x = 26,089,613.78 × 10,320,909.58
  4. Step 4: Simplify right side
    18,905,613.58x = 269,268,544,800,502.03
  5. Step 5: Solve for x
    x = 269,268,544,800,502.03/18,905,613.58
  6. Step 6: Final answer
    x = 14,242,782.63

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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.