Home / 10,529,803.28-15,799,720.56-7,296,327.68

Finding the Fourth Proportional to 10,529,803.28, 15,799,720.56 and 7,296,327.68

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Solution

The fourth proportional to 10,529,803.28, 15,799,720.56 and 7,296,327.68 is: 10,947,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529,803.28 : 15,799,720.56 = 7,296,327.68 : x
  2. Step 2: Convert to fraction form
    10,529,803.28/15,799,720.56 = 7,296,327.68/x
  3. Step 3: Cross multiply
    10,529,803.28x = 15,799,720.56 × 7,296,327.68
  4. Step 4: Simplify right side
    10,529,803.28x = 115,279,938,458,193.09
  5. Step 5: Solve for x
    x = 115,279,938,458,193.09/10,529,803.28
  6. Step 6: Final answer
    x = 10,947,966.97

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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.