Home / 13,305,920.40-19,958,880.60-4,786,534.80

Finding the Fourth Proportional to 13,305,920.40, 19,958,880.60 and 4,786,534.80

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Solution

The fourth proportional to 13,305,920.40, 19,958,880.60 and 4,786,534.80 is: 7,179,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,920.40 : 19,958,880.60 = 4,786,534.80 : x
  2. Step 2: Convert to fraction form
    13,305,920.40/19,958,880.60 = 4,786,534.80/x
  3. Step 3: Cross multiply
    13,305,920.40x = 19,958,880.60 × 4,786,534.80
  4. Step 4: Simplify right side
    13,305,920.40x = 95,533,876,560,944.89
  5. Step 5: Solve for x
    x = 95,533,876,560,944.89/13,305,920.40
  6. Step 6: Final answer
    x = 7,179,802.20

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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.