Home / 20,959,836.48-28,924,278.48-11,792,457.36

Finding the Fourth Proportional to 20,959,836.48, 28,924,278.48 and 11,792,457.36

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Solution

The fourth proportional to 20,959,836.48, 28,924,278.48 and 11,792,457.36 is: 16,273,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,836.48 : 28,924,278.48 = 11,792,457.36 : x
  2. Step 2: Convert to fraction form
    20,959,836.48/28,924,278.48 = 11,792,457.36/x
  3. Step 3: Cross multiply
    20,959,836.48x = 28,924,278.48 × 11,792,457.36
  4. Step 4: Simplify right side
    20,959,836.48x = 341,088,320,644,165.62
  5. Step 5: Solve for x
    x = 341,088,320,644,165.62/20,959,836.48
  6. Step 6: Final answer
    x = 16,273,424.70

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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.