Home / 13,062,900.96-18,025,233.30-7,181,567.46

Finding the Fourth Proportional to 13,062,900.96, 18,025,233.30 and 7,181,567.46

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Solution

The fourth proportional to 13,062,900.96, 18,025,233.30 and 7,181,567.46 is: 9,909,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062,900.96 : 18,025,233.30 = 7,181,567.46 : x
  2. Step 2: Convert to fraction form
    13,062,900.96/18,025,233.30 = 7,181,567.46/x
  3. Step 3: Cross multiply
    13,062,900.96x = 18,025,233.30 × 7,181,567.46
  4. Step 4: Simplify right side
    13,062,900.96x = 129,449,428,926,188.42
  5. Step 5: Solve for x
    x = 129,449,428,926,188.42/13,062,900.96
  6. Step 6: Final answer
    x = 9,909,699.95

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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.