Home / 10,563,540.30-15,824,679.98-7,280,313.39

Finding the Fourth Proportional to 10,563,540.30, 15,824,679.98 and 7,280,313.39

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Solution

The fourth proportional to 10,563,540.30, 15,824,679.98 and 7,280,313.39 is: 10,906,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563,540.30 : 15,824,679.98 = 7,280,313.39 : x
  2. Step 2: Convert to fraction form
    10,563,540.30/15,824,679.98 = 7,280,313.39/x
  3. Step 3: Cross multiply
    10,563,540.30x = 15,824,679.98 × 7,280,313.39
  4. Step 4: Simplify right side
    10,563,540.30x = 115,208,629,550,858.94
  5. Step 5: Solve for x
    x = 115,208,629,550,858.94/10,563,540.30
  6. Step 6: Final answer
    x = 10,906,251.72

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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.