Home / 15,978,976-22,052,330.32-9,783,992.32

Finding the Fourth Proportional to 15,978,976, 22,052,330.32 and 9,783,992.32

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Solution

The fourth proportional to 15,978,976, 22,052,330.32 and 9,783,992.32 is: 13,502,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978,976 : 22,052,330.32 = 9,783,992.32 : x
  2. Step 2: Convert to fraction form
    15,978,976/22,052,330.32 = 9,783,992.32/x
  3. Step 3: Cross multiply
    15,978,976x = 22,052,330.32 × 9,783,992.32
  4. Step 4: Simplify right side
    15,978,976x = 215,759,830,488,983.16
  5. Step 5: Solve for x
    x = 215,759,830,488,983.16/15,978,976
  6. Step 6: Final answer
    x = 13,502,732.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.