Home / 13,112,621.70-19,668,932.55-8,829,600.90

Finding the Fourth Proportional to 13,112,621.70, 19,668,932.55 and 8,829,600.90

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Solution

The fourth proportional to 13,112,621.70, 19,668,932.55 and 8,829,600.90 is: 13,244,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,621.70 : 19,668,932.55 = 8,829,600.90 : x
  2. Step 2: Convert to fraction form
    13,112,621.70/19,668,932.55 = 8,829,600.90/x
  3. Step 3: Cross multiply
    13,112,621.70x = 19,668,932.55 × 8,829,600.90
  4. Step 4: Simplify right side
    13,112,621.70x = 173,668,824,545,519.31
  5. Step 5: Solve for x
    x = 173,668,824,545,519.31/13,112,621.70
  6. Step 6: Final answer
    x = 13,244,401.35

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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.