Home / 12,713,940.87-17,545,031.69-6,912,868.69

Finding the Fourth Proportional to 12,713,940.87, 17,545,031.69 and 6,912,868.69

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Solution

The fourth proportional to 12,713,940.87, 17,545,031.69 and 6,912,868.69 is: 9,539,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,940.87 : 17,545,031.69 = 6,912,868.69 : x
  2. Step 2: Convert to fraction form
    12,713,940.87/17,545,031.69 = 6,912,868.69/x
  3. Step 3: Cross multiply
    12,713,940.87x = 17,545,031.69 × 6,912,868.69
  4. Step 4: Simplify right side
    12,713,940.87x = 121,286,500,234,858.80
  5. Step 5: Solve for x
    x = 121,286,500,234,858.80/12,713,940.87
  6. Step 6: Final answer
    x = 9,539,646.40

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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.