Home / 13,504,651.17-18,636,418.08-7,393,079.67

Finding the Fourth Proportional to 13,504,651.17, 18,636,418.08 and 7,393,079.67

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Solution

The fourth proportional to 13,504,651.17, 18,636,418.08 and 7,393,079.67 is: 10,202,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,651.17 : 18,636,418.08 = 7,393,079.67 : x
  2. Step 2: Convert to fraction form
    13,504,651.17/18,636,418.08 = 7,393,079.67/x
  3. Step 3: Cross multiply
    13,504,651.17x = 18,636,418.08 × 7,393,079.67
  4. Step 4: Simplify right side
    13,504,651.17x = 137,780,523,628,868.42
  5. Step 5: Solve for x
    x = 137,780,523,628,868.42/13,504,651.17
  6. Step 6: Final answer
    x = 10,202,449.65

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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.