Home / 9,730,728.96-13,428,372.48-5,438,376.96

Finding the Fourth Proportional to 9,730,728.96, 13,428,372.48 and 5,438,376.96

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Solution

The fourth proportional to 9,730,728.96, 13,428,372.48 and 5,438,376.96 is: 7,504,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730,728.96 : 13,428,372.48 = 5,438,376.96 : x
  2. Step 2: Convert to fraction form
    9,730,728.96/13,428,372.48 = 5,438,376.96/x
  3. Step 3: Cross multiply
    9,730,728.96x = 13,428,372.48 × 5,438,376.96
  4. Step 4: Simplify right side
    9,730,728.96x = 73,028,551,505,530.06
  5. Step 5: Solve for x
    x = 73,028,551,505,530.06/9,730,728.96
  6. Step 6: Final answer
    x = 7,504,941.49

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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.