Home / 10,085,523.30-15,116,817.70-8,868,715.38

Finding the Fourth Proportional to 10,085,523.30, 15,116,817.70 and 8,868,715.38

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Solution

The fourth proportional to 10,085,523.30, 15,116,817.70 and 8,868,715.38 is: 13,292,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085,523.30 : 15,116,817.70 = 8,868,715.38 : x
  2. Step 2: Convert to fraction form
    10,085,523.30/15,116,817.70 = 8,868,715.38/x
  3. Step 3: Cross multiply
    10,085,523.30x = 15,116,817.70 × 8,868,715.38
  4. Step 4: Simplify right side
    10,085,523.30x = 134,066,753,632,646.23
  5. Step 5: Solve for x
    x = 134,066,753,632,646.23/10,085,523.30
  6. Step 6: Final answer
    x = 13,292,989.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.