Home / 15,401,693.10-21,247,664.67-9,286,724.46

Finding the Fourth Proportional to 15,401,693.10, 21,247,664.67 and 9,286,724.46

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Solution

The fourth proportional to 15,401,693.10, 21,247,664.67 and 9,286,724.46 is: 12,811,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,693.10 : 21,247,664.67 = 9,286,724.46 : x
  2. Step 2: Convert to fraction form
    15,401,693.10/21,247,664.67 = 9,286,724.46/x
  3. Step 3: Cross multiply
    15,401,693.10x = 21,247,664.67 × 9,286,724.46
  4. Step 4: Simplify right side
    15,401,693.10x = 197,321,207,208,766.88
  5. Step 5: Solve for x
    x = 197,321,207,208,766.88/15,401,693.10
  6. Step 6: Final answer
    x = 12,811,656.87

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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.