Home / 14,292,351.72-19,723,405.50-7,766,003.85

Finding the Fourth Proportional to 14,292,351.72, 19,723,405.50 and 7,766,003.85

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Solution

The fourth proportional to 14,292,351.72, 19,723,405.50 and 7,766,003.85 is: 10,717,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292,351.72 : 19,723,405.50 = 7,766,003.85 : x
  2. Step 2: Convert to fraction form
    14,292,351.72/19,723,405.50 = 7,766,003.85/x
  3. Step 3: Cross multiply
    14,292,351.72x = 19,723,405.50 × 7,766,003.85
  4. Step 4: Simplify right side
    14,292,351.72x = 153,172,043,048,111.16
  5. Step 5: Solve for x
    x = 153,172,043,048,111.16/14,292,351.72
  6. Step 6: Final answer
    x = 10,717,063.65

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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.