Home / 19,194,951.40-28,736,439.90-17,179,412.20

Finding the Fourth Proportional to 19,194,951.40, 28,736,439.90 and 17,179,412.20

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Solution

The fourth proportional to 19,194,951.40, 28,736,439.90 and 17,179,412.20 is: 25,719,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194,951.40 : 28,736,439.90 = 17,179,412.20 : x
  2. Step 2: Convert to fraction form
    19,194,951.40/28,736,439.90 = 17,179,412.20/x
  3. Step 3: Cross multiply
    19,194,951.40x = 28,736,439.90 × 17,179,412.20
  4. Step 4: Simplify right side
    19,194,951.40x = 493,675,146,202,626.75
  5. Step 5: Solve for x
    x = 493,675,146,202,626.75/19,194,951.40
  6. Step 6: Final answer
    x = 25,719,009.96

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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.