Home / 10,355,289.91-14,290,315.82-5,771,512.87

Finding the Fourth Proportional to 10,355,289.91, 14,290,315.82 and 5,771,512.87

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Solution

The fourth proportional to 10,355,289.91, 14,290,315.82 and 5,771,512.87 is: 7,964,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,289.91 : 14,290,315.82 = 5,771,512.87 : x
  2. Step 2: Convert to fraction form
    10,355,289.91/14,290,315.82 = 5,771,512.87/x
  3. Step 3: Cross multiply
    10,355,289.91x = 14,290,315.82 × 5,771,512.87
  4. Step 4: Simplify right side
    10,355,289.91x = 82,476,741,628,554.42
  5. Step 5: Solve for x
    x = 82,476,741,628,554.42/10,355,289.91
  6. Step 6: Final answer
    x = 7,964,696.53

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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.