Home / 10,628,612.16-15,945,449.08-3,440,147.28

Finding the Fourth Proportional to 10,628,612.16, 15,945,449.08 and 3,440,147.28

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Solution

The fourth proportional to 10,628,612.16, 15,945,449.08 and 3,440,147.28 is: 5,161,040.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628,612.16 : 15,945,449.08 = 3,440,147.28 : x
  2. Step 2: Convert to fraction form
    10,628,612.16/15,945,449.08 = 3,440,147.28/x
  3. Step 3: Cross multiply
    10,628,612.16x = 15,945,449.08 × 3,440,147.28
  4. Step 4: Simplify right side
    10,628,612.16x = 54,854,693,280,940.50
  5. Step 5: Solve for x
    x = 54,854,693,280,940.50/10,628,612.16
  6. Step 6: Final answer
    x = 5,161,040.07

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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.