Home / 9,015,636.96-13,491,129.96-7,805,376.48

Finding the Fourth Proportional to 9,015,636.96, 13,491,129.96 and 7,805,376.48

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Solution

The fourth proportional to 9,015,636.96, 13,491,129.96 and 7,805,376.48 is: 11,680,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015,636.96 : 13,491,129.96 = 7,805,376.48 : x
  2. Step 2: Convert to fraction form
    9,015,636.96/13,491,129.96 = 7,805,376.48/x
  3. Step 3: Cross multiply
    9,015,636.96x = 13,491,129.96 × 7,805,376.48
  4. Step 4: Simplify right side
    9,015,636.96x = 105,303,348,478,407.36
  5. Step 5: Solve for x
    x = 105,303,348,478,407.36/9,015,636.96
  6. Step 6: Final answer
    x = 11,680,078.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.