Home / 18,116,116.40-27,153,179.40-7,328,082.80

Finding the Fourth Proportional to 18,116,116.40, 27,153,179.40 and 7,328,082.80

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Solution

The fourth proportional to 18,116,116.40, 27,153,179.40 and 7,328,082.80 is: 10,983,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116,116.40 : 27,153,179.40 = 7,328,082.80 : x
  2. Step 2: Convert to fraction form
    18,116,116.40/27,153,179.40 = 7,328,082.80/x
  3. Step 3: Cross multiply
    18,116,116.40x = 27,153,179.40 × 7,328,082.80
  4. Step 4: Simplify right side
    18,116,116.40x = 198,980,746,926,454.31
  5. Step 5: Solve for x
    x = 198,980,746,926,454.31/18,116,116.40
  6. Step 6: Final answer
    x = 10,983,631.51

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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.