Home / 10,085,521.30-15,116,814.70-8,868,713.38

Finding the Fourth Proportional to 10,085,521.30, 15,116,814.70 and 8,868,713.38

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Solution

The fourth proportional to 10,085,521.30, 15,116,814.70 and 8,868,713.38 is: 13,292,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085,521.30 : 15,116,814.70 = 8,868,713.38 : x
  2. Step 2: Convert to fraction form
    10,085,521.30/15,116,814.70 = 8,868,713.38/x
  3. Step 3: Cross multiply
    10,085,521.30x = 15,116,814.70 × 8,868,713.38
  4. Step 4: Simplify right side
    10,085,521.30x = 134,066,696,732,906.86
  5. Step 5: Solve for x
    x = 134,066,696,732,906.86/10,085,521.30
  6. Step 6: Final answer
    x = 13,292,986.33

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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.