Home / 16,999,679.74-25,507,031.96-8,910,721.26

Finding the Fourth Proportional to 16,999,679.74, 25,507,031.96 and 8,910,721.26

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Solution

The fourth proportional to 16,999,679.74, 25,507,031.96 and 8,910,721.26 is: 13,370,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999,679.74 : 25,507,031.96 = 8,910,721.26 : x
  2. Step 2: Convert to fraction form
    16,999,679.74/25,507,031.96 = 8,910,721.26/x
  3. Step 3: Cross multiply
    16,999,679.74x = 25,507,031.96 × 8,910,721.26
  4. Step 4: Simplify right side
    16,999,679.74x = 227,286,051,965,471.47
  5. Step 5: Solve for x
    x = 227,286,051,965,471.47/16,999,679.74
  6. Step 6: Final answer
    x = 13,370,019.64

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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.