Home / 19,084,869.30-28,617,497.55-5,619,947.70

Finding the Fourth Proportional to 19,084,869.30, 28,617,497.55 and 5,619,947.70

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Solution

The fourth proportional to 19,084,869.30, 28,617,497.55 and 5,619,947.70 is: 8,427,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,084,869.30 : 28,617,497.55 = 5,619,947.70 : x
  2. Step 2: Convert to fraction form
    19,084,869.30/28,617,497.55 = 5,619,947.70/x
  3. Step 3: Cross multiply
    19,084,869.30x = 28,617,497.55 × 5,619,947.70
  4. Step 4: Simplify right side
    19,084,869.30x = 160,828,839,535,878.16
  5. Step 5: Solve for x
    x = 160,828,839,535,878.16/19,084,869.30
  6. Step 6: Final answer
    x = 8,427,033.85

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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.