Home / 20,959,837.48-28,924,279.86-11,792,458.36

Finding the Fourth Proportional to 20,959,837.48, 28,924,279.86 and 11,792,458.36

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Solution

The fourth proportional to 20,959,837.48, 28,924,279.86 and 11,792,458.36 is: 16,273,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,837.48 : 28,924,279.86 = 11,792,458.36 : x
  2. Step 2: Convert to fraction form
    20,959,837.48/28,924,279.86 = 11,792,458.36/x
  3. Step 3: Cross multiply
    20,959,837.48x = 28,924,279.86 × 11,792,458.36
  4. Step 4: Simplify right side
    20,959,837.48x = 341,088,365,842,036.62
  5. Step 5: Solve for x
    x = 341,088,365,842,036.62/20,959,837.48
  6. Step 6: Final answer
    x = 16,273,426.08

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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.