Home / 20,959,707.31-28,924,099.79-11,792,328.19

Finding the Fourth Proportional to 20,959,707.31, 28,924,099.79 and 11,792,328.19

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Solution

The fourth proportional to 20,959,707.31, 28,924,099.79 and 11,792,328.19 is: 16,273,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,707.31 : 28,924,099.79 = 11,792,328.19 : x
  2. Step 2: Convert to fraction form
    20,959,707.31/28,924,099.79 = 11,792,328.19/x
  3. Step 3: Cross multiply
    20,959,707.31x = 28,924,099.79 × 11,792,328.19
  4. Step 4: Simplify right side
    20,959,707.31x = 341,082,477,192,718.19
  5. Step 5: Solve for x
    x = 341,082,477,192,718.19/20,959,707.31
  6. Step 6: Final answer
    x = 16,273,246.20

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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.