Home / 7,888,503.40-11,825,843.10-5,355,946.60

Finding the Fourth Proportional to 7,888,503.40, 11,825,843.10 and 5,355,946.60

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Solution

The fourth proportional to 7,888,503.40, 11,825,843.10 and 5,355,946.60 is: 8,029,226.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888,503.40 : 11,825,843.10 = 5,355,946.60 : x
  2. Step 2: Convert to fraction form
    7,888,503.40/11,825,843.10 = 5,355,946.60/x
  3. Step 3: Cross multiply
    7,888,503.40x = 11,825,843.10 × 5,355,946.60
  4. Step 4: Simplify right side
    7,888,503.40x = 63,338,584,143,578.45
  5. Step 5: Solve for x
    x = 63,338,584,143,578.45/7,888,503.40
  6. Step 6: Final answer
    x = 8,029,226.96

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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.