Home / 21,687,245.42-29,932,804.39-14,720,168.15

Finding the Fourth Proportional to 21,687,245.42, 29,932,804.39 and 14,720,168.15

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Solution

The fourth proportional to 21,687,245.42, 29,932,804.39 and 14,720,168.15 is: 20,316,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,687,245.42 : 29,932,804.39 = 14,720,168.15 : x
  2. Step 2: Convert to fraction form
    21,687,245.42/29,932,804.39 = 14,720,168.15/x
  3. Step 3: Cross multiply
    21,687,245.42x = 29,932,804.39 × 14,720,168.15
  4. Step 4: Simplify right side
    21,687,245.42x = 440,615,913,672,194.12
  5. Step 5: Solve for x
    x = 440,615,913,672,194.12/21,687,245.42
  6. Step 6: Final answer
    x = 20,316,822.41

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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.