Home / 13,365,124.25-18,443,879.01-7,253,552.75

Finding the Fourth Proportional to 13,365,124.25, 18,443,879.01 and 7,253,552.75

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Solution

The fourth proportional to 13,365,124.25, 18,443,879.01 and 7,253,552.75 is: 10,009,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,124.25 : 18,443,879.01 = 7,253,552.75 : x
  2. Step 2: Convert to fraction form
    13,365,124.25/18,443,879.01 = 7,253,552.75/x
  3. Step 3: Cross multiply
    13,365,124.25x = 18,443,879.01 × 7,253,552.75
  4. Step 4: Simplify right side
    13,365,124.25x = 133,783,649,221,433.39
  5. Step 5: Solve for x
    x = 133,783,649,221,433.39/13,365,124.25
  6. Step 6: Final answer
    x = 10,009,906.89

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1.5x scale

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.