Home / 21,960,390.31-30,305,341.44-12,171,466.46

Finding the Fourth Proportional to 21,960,390.31, 30,305,341.44 and 12,171,466.46

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Solution

The fourth proportional to 21,960,390.31, 30,305,341.44 and 12,171,466.46 is: 16,796,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,390.31 : 30,305,341.44 = 12,171,466.46 : x
  2. Step 2: Convert to fraction form
    21,960,390.31/30,305,341.44 = 12,171,466.46/x
  3. Step 3: Cross multiply
    21,960,390.31x = 30,305,341.44 × 12,171,466.46
  4. Step 4: Simplify right side
    21,960,390.31x = 368,860,446,895,808.12
  5. Step 5: Solve for x
    x = 368,860,446,895,808.12/21,960,390.31
  6. Step 6: Final answer
    x = 16,796,625.27

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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.