Home / 21,282,957.71-29,370,481.12-11,493,401.10

Finding the Fourth Proportional to 21,282,957.71, 29,370,481.12 and 11,493,401.10

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Solution

The fourth proportional to 21,282,957.71, 29,370,481.12 and 11,493,401.10 is: 15,860,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,957.71 : 29,370,481.12 = 11,493,401.10 : x
  2. Step 2: Convert to fraction form
    21,282,957.71/29,370,481.12 = 11,493,401.10/x
  3. Step 3: Cross multiply
    21,282,957.71x = 29,370,481.12 × 11,493,401.10
  4. Step 4: Simplify right side
    21,282,957.71x = 337,566,720,012,137.25
  5. Step 5: Solve for x
    x = 337,566,720,012,137.25/21,282,957.71
  6. Step 6: Final answer
    x = 15,860,893.24

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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.