Home / 18,719,948.40-28,082,939.93-5,766,093.04

Finding the Fourth Proportional to 18,719,948.40, 28,082,939.93 and 5,766,093.04

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Solution

The fourth proportional to 18,719,948.40, 28,082,939.93 and 5,766,093.04 is: 8,650,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,948.40 : 28,082,939.93 = 5,766,093.04 : x
  2. Step 2: Convert to fraction form
    18,719,948.40/28,082,939.93 = 5,766,093.04/x
  3. Step 3: Cross multiply
    18,719,948.40x = 28,082,939.93 × 5,766,093.04
  4. Step 4: Simplify right side
    18,719,948.40x = 161,928,844,527,334.91
  5. Step 5: Solve for x
    x = 161,928,844,527,334.91/18,719,948.40
  6. Step 6: Final answer
    x = 8,650,068.96

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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.