Home / 13,310,190-18,368,062.20-7,198,618.50

Finding the Fourth Proportional to 13,310,190, 18,368,062.20 and 7,198,618.50

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Solution

The fourth proportional to 13,310,190, 18,368,062.20 and 7,198,618.50 is: 9,934,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,190 : 18,368,062.20 = 7,198,618.50 : x
  2. Step 2: Convert to fraction form
    13,310,190/18,368,062.20 = 7,198,618.50/x
  3. Step 3: Cross multiply
    13,310,190x = 18,368,062.20 × 7,198,618.50
  4. Step 4: Simplify right side
    13,310,190x = 132,224,672,362,070.69
  5. Step 5: Solve for x
    x = 132,224,672,362,070.69/13,310,190
  6. Step 6: Final answer
    x = 9,934,093.53

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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.