Home / 18,116,115.90-27,153,178.65-7,328,082.30

Finding the Fourth Proportional to 18,116,115.90, 27,153,178.65 and 7,328,082.30

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Solution

The fourth proportional to 18,116,115.90, 27,153,178.65 and 7,328,082.30 is: 10,983,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116,115.90 : 27,153,178.65 = 7,328,082.30 : x
  2. Step 2: Convert to fraction form
    18,116,115.90/27,153,178.65 = 7,328,082.30/x
  3. Step 3: Cross multiply
    18,116,115.90x = 27,153,178.65 × 7,328,082.30
  4. Step 4: Simplify right side
    18,116,115.90x = 198,980,727,853,802.88
  5. Step 5: Solve for x
    x = 198,980,727,853,802.88/18,116,115.90
  6. Step 6: Final answer
    x = 10,983,630.76

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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.