Home / 12,711,694.72-17,525,673.12-8,233,281.40

Finding the Fourth Proportional to 12,711,694.72, 17,525,673.12 and 8,233,281.40

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Solution

The fourth proportional to 12,711,694.72, 17,525,673.12 and 8,233,281.40 is: 11,351,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,694.72 : 17,525,673.12 = 8,233,281.40 : x
  2. Step 2: Convert to fraction form
    12,711,694.72/17,525,673.12 = 8,233,281.40/x
  3. Step 3: Cross multiply
    12,711,694.72x = 17,525,673.12 × 8,233,281.40
  4. Step 4: Simplify right side
    12,711,694.72x = 144,293,798,521,375.97
  5. Step 5: Solve for x
    x = 144,293,798,521,375.97/12,711,694.72
  6. Step 6: Final answer
    x = 11,351,263.67

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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.