Home / 15,147,564.85-20,889,450.18-12,060,279.49

Finding the Fourth Proportional to 15,147,564.85, 20,889,450.18 and 12,060,279.49

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Solution

The fourth proportional to 15,147,564.85, 20,889,450.18 and 12,060,279.49 is: 16,631,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147,564.85 : 20,889,450.18 = 12,060,279.49 : x
  2. Step 2: Convert to fraction form
    15,147,564.85/20,889,450.18 = 12,060,279.49/x
  3. Step 3: Cross multiply
    15,147,564.85x = 20,889,450.18 × 12,060,279.49
  4. Step 4: Simplify right side
    15,147,564.85x = 251,932,607,563,230.81
  5. Step 5: Solve for x
    x = 251,932,607,563,230.81/15,147,564.85
  6. Step 6: Final answer
    x = 16,631,888.36

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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.