Home / 21,319,342.25-31,979,018.82-5,968,893.42

Finding the Fourth Proportional to 21,319,342.25, 31,979,018.82 and 5,968,893.42

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Solution

The fourth proportional to 21,319,342.25, 31,979,018.82 and 5,968,893.42 is: 8,953,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,342.25 : 31,979,018.82 = 5,968,893.42 : x
  2. Step 2: Convert to fraction form
    21,319,342.25/31,979,018.82 = 5,968,893.42/x
  3. Step 3: Cross multiply
    21,319,342.25x = 31,979,018.82 × 5,968,893.42
  4. Step 4: Simplify right side
    21,319,342.25x = 190,879,355,012,754.16
  5. Step 5: Solve for x
    x = 190,879,355,012,754.16/21,319,342.25
  6. Step 6: Final answer
    x = 8,953,341.66

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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.