Home / 21,319,355-31,979,037.96-5,968,906.16

Finding the Fourth Proportional to 21,319,355, 31,979,037.96 and 5,968,906.16

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Solution

The fourth proportional to 21,319,355, 31,979,037.96 and 5,968,906.16 is: 8,953,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,355 : 31,979,037.96 = 5,968,906.16 : x
  2. Step 2: Convert to fraction form
    21,319,355/31,979,037.96 = 5,968,906.16/x
  3. Step 3: Cross multiply
    21,319,355x = 31,979,037.96 × 5,968,906.16
  4. Step 4: Simplify right side
    21,319,355x = 190,879,876,670,317.84
  5. Step 5: Solve for x
    x = 190,879,876,670,317.84/21,319,355
  6. Step 6: Final answer
    x = 8,953,360.77

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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.