Home / 21,319,163.68-31,978,751.16-5,968,714.38

Finding the Fourth Proportional to 21,319,163.68, 31,978,751.16 and 5,968,714.38

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Solution

The fourth proportional to 21,319,163.68, 31,978,751.16 and 5,968,714.38 is: 8,953,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,163.68 : 31,978,751.16 = 5,968,714.38 : x
  2. Step 2: Convert to fraction form
    21,319,163.68/31,978,751.16 = 5,968,714.38/x
  3. Step 3: Cross multiply
    21,319,163.68x = 31,978,751.16 × 5,968,714.38
  4. Step 4: Simplify right side
    21,319,163.68x = 190,872,031,903,133.69
  5. Step 5: Solve for x
    x = 190,872,031,903,133.69/21,319,163.68
  6. Step 6: Final answer
    x = 8,953,073.15

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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.