Home / 10,942,913.15-15,093,388.09-7,680,455.90

Finding the Fourth Proportional to 10,942,913.15, 15,093,388.09 and 7,680,455.90

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Solution

The fourth proportional to 10,942,913.15, 15,093,388.09 and 7,680,455.90 is: 10,593,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942,913.15 : 15,093,388.09 = 7,680,455.90 : x
  2. Step 2: Convert to fraction form
    10,942,913.15/15,093,388.09 = 7,680,455.90/x
  3. Step 3: Cross multiply
    10,942,913.15x = 15,093,388.09 × 7,680,455.90
  4. Step 4: Simplify right side
    10,942,913.15x = 115,924,101,606,830.23
  5. Step 5: Solve for x
    x = 115,924,101,606,830.23/10,942,913.15
  6. Step 6: Final answer
    x = 10,593,532.09

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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.