Home / 13,237,397.20-18,268,388.44-9,968,444.56

Finding the Fourth Proportional to 13,237,397.20, 18,268,388.44 and 9,968,444.56

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Solution

The fourth proportional to 13,237,397.20, 18,268,388.44 and 9,968,444.56 is: 13,757,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237,397.20 : 18,268,388.44 = 9,968,444.56 : x
  2. Step 2: Convert to fraction form
    13,237,397.20/18,268,388.44 = 9,968,444.56/x
  3. Step 3: Cross multiply
    13,237,397.20x = 18,268,388.44 × 9,968,444.56
  4. Step 4: Simplify right side
    13,237,397.20x = 182,107,417,364,684.91
  5. Step 5: Solve for x
    x = 182,107,417,364,684.91/13,237,397.20
  6. Step 6: Final answer
    x = 13,757,041.10

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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.