Home / 11,284,903.30-15,577,933.50-7,618,785.38

Finding the Fourth Proportional to 11,284,903.30, 15,577,933.50 and 7,618,785.38

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Solution

The fourth proportional to 11,284,903.30, 15,577,933.50 and 7,618,785.38 is: 10,517,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284,903.30 : 15,577,933.50 = 7,618,785.38 : x
  2. Step 2: Convert to fraction form
    11,284,903.30/15,577,933.50 = 7,618,785.38/x
  3. Step 3: Cross multiply
    11,284,903.30x = 15,577,933.50 × 7,618,785.38
  4. Step 4: Simplify right side
    11,284,903.30x = 118,684,932,000,412.23
  5. Step 5: Solve for x
    x = 118,684,932,000,412.23/11,284,903.30
  6. Step 6: Final answer
    x = 10,517,142.14

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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.