Home / 11,285,448.40-16,928,172.60-9,661,819.60

Finding the Fourth Proportional to 11,285,448.40, 16,928,172.60 and 9,661,819.60

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Solution

The fourth proportional to 11,285,448.40, 16,928,172.60 and 9,661,819.60 is: 14,492,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285,448.40 : 16,928,172.60 = 9,661,819.60 : x
  2. Step 2: Convert to fraction form
    11,285,448.40/16,928,172.60 = 9,661,819.60/x
  3. Step 3: Cross multiply
    11,285,448.40x = 16,928,172.60 × 9,661,819.60
  4. Step 4: Simplify right side
    11,285,448.40x = 163,556,949,818,862.97
  5. Step 5: Solve for x
    x = 163,556,949,818,862.97/11,285,448.40
  6. Step 6: Final answer
    x = 14,492,729.40

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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.