Home / 12,589,969.30-18,889,619.55-4,070,583.70

Finding the Fourth Proportional to 12,589,969.30, 18,889,619.55 and 4,070,583.70

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Solution

The fourth proportional to 12,589,969.30, 18,889,619.55 and 4,070,583.70 is: 6,107,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,969.30 : 18,889,619.55 = 4,070,583.70 : x
  2. Step 2: Convert to fraction form
    12,589,969.30/18,889,619.55 = 4,070,583.70/x
  3. Step 3: Cross multiply
    12,589,969.30x = 18,889,619.55 × 4,070,583.70
  4. Step 4: Simplify right side
    12,589,969.30x = 76,891,777,439,431.34
  5. Step 5: Solve for x
    x = 76,891,777,439,431.34/12,589,969.30
  6. Step 6: Final answer
    x = 6,107,384.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.