Home / 19,009,816.20-28,514,724.30-7,047,217.80

Finding the Fourth Proportional to 19,009,816.20, 28,514,724.30 and 7,047,217.80

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Solution

The fourth proportional to 19,009,816.20, 28,514,724.30 and 7,047,217.80 is: 10,570,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,816.20 : 28,514,724.30 = 7,047,217.80 : x
  2. Step 2: Convert to fraction form
    19,009,816.20/28,514,724.30 = 7,047,217.80/x
  3. Step 3: Cross multiply
    19,009,816.20x = 28,514,724.30 × 7,047,217.80
  4. Step 4: Simplify right side
    19,009,816.20x = 200,949,472,649,052.53
  5. Step 5: Solve for x
    x = 200,949,472,649,052.53/19,009,816.20
  6. Step 6: Final answer
    x = 10,570,826.70

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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.