Home / 13,308,299.38-18,365,445.39-7,196,727.88

Finding the Fourth Proportional to 13,308,299.38, 18,365,445.39 and 7,196,727.88

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Solution

The fourth proportional to 13,308,299.38, 18,365,445.39 and 7,196,727.88 is: 9,931,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,299.38 : 18,365,445.39 = 7,196,727.88 : x
  2. Step 2: Convert to fraction form
    13,308,299.38/18,365,445.39 = 7,196,727.88/x
  3. Step 3: Cross multiply
    13,308,299.38x = 18,365,445.39 × 7,196,727.88
  4. Step 4: Simplify right side
    13,308,299.38x = 132,171,112,775,003.25
  5. Step 5: Solve for x
    x = 132,171,112,775,003.25/13,308,299.38
  6. Step 6: Final answer
    x = 9,931,480.28

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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.