Home / 15,525,100.98-21,410,107.92-12,269,693.16

Finding the Fourth Proportional to 15,525,100.98, 21,410,107.92 and 12,269,693.16

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Solution

The fourth proportional to 15,525,100.98, 21,410,107.92 and 12,269,693.16 is: 16,920,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525,100.98 : 21,410,107.92 = 12,269,693.16 : x
  2. Step 2: Convert to fraction form
    15,525,100.98/21,410,107.92 = 12,269,693.16/x
  3. Step 3: Cross multiply
    15,525,100.98x = 21,410,107.92 × 12,269,693.16
  4. Step 4: Simplify right side
    15,525,100.98x = 262,695,454,700,885.84
  5. Step 5: Solve for x
    x = 262,695,454,700,885.84/15,525,100.98
  6. Step 6: Final answer
    x = 16,920,692.18

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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.