Home / 13,890,149.85-19,168,401.82-7,695,598.17

Finding the Fourth Proportional to 13,890,149.85, 19,168,401.82 and 7,695,598.17

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Solution

The fourth proportional to 13,890,149.85, 19,168,401.82 and 7,695,598.17 is: 10,619,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,149.85 : 19,168,401.82 = 7,695,598.17 : x
  2. Step 2: Convert to fraction form
    13,890,149.85/19,168,401.82 = 7,695,598.17/x
  3. Step 3: Cross multiply
    13,890,149.85x = 19,168,401.82 × 7,695,598.17
  4. Step 4: Simplify right side
    13,890,149.85x = 147,512,317,967,816.66
  5. Step 5: Solve for x
    x = 147,512,317,967,816.66/13,890,149.85
  6. Step 6: Final answer
    x = 10,619,922.72

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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.