Home / 10,298,866.40-15,448,299.60-5,763,903.20

Finding the Fourth Proportional to 10,298,866.40, 15,448,299.60 and 5,763,903.20

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Solution

The fourth proportional to 10,298,866.40, 15,448,299.60 and 5,763,903.20 is: 8,645,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298,866.40 : 15,448,299.60 = 5,763,903.20 : x
  2. Step 2: Convert to fraction form
    10,298,866.40/15,448,299.60 = 5,763,903.20/x
  3. Step 3: Cross multiply
    10,298,866.40x = 15,448,299.60 × 5,763,903.20
  4. Step 4: Simplify right side
    10,298,866.40x = 89,042,503,498,998.72
  5. Step 5: Solve for x
    x = 89,042,503,498,998.72/10,298,866.40
  6. Step 6: Final answer
    x = 8,645,854.80

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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.