Home / 15,036,313.36-20,750,132.64-8,160,795.52

Finding the Fourth Proportional to 15,036,313.36, 20,750,132.64 and 8,160,795.52

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Solution

The fourth proportional to 15,036,313.36, 20,750,132.64 and 8,160,795.52 is: 11,261,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,313.36 : 20,750,132.64 = 8,160,795.52 : x
  2. Step 2: Convert to fraction form
    15,036,313.36/20,750,132.64 = 8,160,795.52/x
  3. Step 3: Cross multiply
    15,036,313.36x = 20,750,132.64 × 8,160,795.52
  4. Step 4: Simplify right side
    15,036,313.36x = 169,337,589,487,917.78
  5. Step 5: Solve for x
    x = 169,337,589,487,917.78/15,036,313.36
  6. Step 6: Final answer
    x = 11,261,908.78

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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.