Home / 13,168,714.72-19,713,716.72-7,965,578

Finding the Fourth Proportional to 13,168,714.72, 19,713,716.72 and 7,965,578

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Solution

The fourth proportional to 13,168,714.72, 19,713,716.72 and 7,965,578 is: 11,924,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,714.72 : 19,713,716.72 = 7,965,578 : x
  2. Step 2: Convert to fraction form
    13,168,714.72/19,713,716.72 = 7,965,578/x
  3. Step 3: Cross multiply
    13,168,714.72x = 19,713,716.72 × 7,965,578
  4. Step 4: Simplify right side
    13,168,714.72x = 157,031,148,203,064.16
  5. Step 5: Solve for x
    x = 157,031,148,203,064.16/13,168,714.72
  6. Step 6: Final answer
    x = 11,924,561.47

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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.