Home / 15,525,031.27-21,410,010.94-12,269,623.05

Finding the Fourth Proportional to 15,525,031.27, 21,410,010.94 and 12,269,623.05

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Solution

The fourth proportional to 15,525,031.27, 21,410,010.94 and 12,269,623.05 is: 16,920,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525,031.27 : 21,410,010.94 = 12,269,623.05 : x
  2. Step 2: Convert to fraction form
    15,525,031.27/21,410,010.94 = 12,269,623.05/x
  3. Step 3: Cross multiply
    15,525,031.27x = 21,410,010.94 × 12,269,623.05
  4. Step 4: Simplify right side
    15,525,031.27x = 262,692,763,730,176.19
  5. Step 5: Solve for x
    x = 262,692,763,730,176.19/15,525,031.27
  6. Step 6: Final answer
    x = 16,920,594.82

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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.