Home / 13,305,919.40-19,958,879.10-4,786,533.80

Finding the Fourth Proportional to 13,305,919.40, 19,958,879.10 and 4,786,533.80

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Solution

The fourth proportional to 13,305,919.40, 19,958,879.10 and 4,786,533.80 is: 7,179,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,919.40 : 19,958,879.10 = 4,786,533.80 : x
  2. Step 2: Convert to fraction form
    13,305,919.40/19,958,879.10 = 4,786,533.80/x
  3. Step 3: Cross multiply
    13,305,919.40x = 19,958,879.10 × 4,786,533.80
  4. Step 4: Simplify right side
    13,305,919.40x = 95,533,849,422,263.58
  5. Step 5: Solve for x
    x = 95,533,849,422,263.58/13,305,919.40
  6. Step 6: Final answer
    x = 7,179,800.70

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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.