Home / 13,589,080.32-18,753,706.79-7,788,828.27

Finding the Fourth Proportional to 13,589,080.32, 18,753,706.79 and 7,788,828.27

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Solution

The fourth proportional to 13,589,080.32, 18,753,706.79 and 7,788,828.27 is: 10,749,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589,080.32 : 18,753,706.79 = 7,788,828.27 : x
  2. Step 2: Convert to fraction form
    13,589,080.32/18,753,706.79 = 7,788,828.27/x
  3. Step 3: Cross multiply
    13,589,080.32x = 18,753,706.79 × 7,788,828.27
  4. Step 4: Simplify right side
    13,589,080.32x = 146,069,401,717,645.47
  5. Step 5: Solve for x
    x = 146,069,401,717,645.47/13,589,080.32
  6. Step 6: Final answer
    x = 10,749,027.77

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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.