Home / 13,842,377.70-20,763,566.55-7,385,369.55

Finding the Fourth Proportional to 13,842,377.70, 20,763,566.55 and 7,385,369.55

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Solution

The fourth proportional to 13,842,377.70, 20,763,566.55 and 7,385,369.55 is: 11,078,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,377.70 : 20,763,566.55 = 7,385,369.55 : x
  2. Step 2: Convert to fraction form
    13,842,377.70/20,763,566.55 = 7,385,369.55/x
  3. Step 3: Cross multiply
    13,842,377.70x = 20,763,566.55 × 7,385,369.55
  4. Step 4: Simplify right side
    13,842,377.70x = 153,346,612,147,768.56
  5. Step 5: Solve for x
    x = 153,346,612,147,768.56/13,842,377.70
  6. Step 6: Final answer
    x = 11,078,054.33

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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.