Home / 21,319,351-31,979,031.96-5,968,902.18

Finding the Fourth Proportional to 21,319,351, 31,979,031.96 and 5,968,902.18

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Solution

The fourth proportional to 21,319,351, 31,979,031.96 and 5,968,902.18 is: 8,953,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,351 : 31,979,031.96 = 5,968,902.18 : x
  2. Step 2: Convert to fraction form
    21,319,351/31,979,031.96 = 5,968,902.18/x
  3. Step 3: Cross multiply
    21,319,351x = 31,979,031.96 × 5,968,902.18
  4. Step 4: Simplify right side
    21,319,351x = 190,879,713,580,333.66
  5. Step 5: Solve for x
    x = 190,879,713,580,333.66/21,319,351
  6. Step 6: Final answer
    x = 8,953,354.80

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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.