Home / 28,395,615.04-39,204,867.20-16,796,904.28

Finding the Fourth Proportional to 28,395,615.04, 39,204,867.20 and 16,796,904.28

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Solution

The fourth proportional to 28,395,615.04, 39,204,867.20 and 16,796,904.28 is: 23,190,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395,615.04 : 39,204,867.20 = 16,796,904.28 : x
  2. Step 2: Convert to fraction form
    28,395,615.04/39,204,867.20 = 16,796,904.28/x
  3. Step 3: Cross multiply
    28,395,615.04x = 39,204,867.20 × 16,796,904.28
  4. Step 4: Simplify right side
    28,395,615.04x = 658,520,401,668,511.75
  5. Step 5: Solve for x
    x = 658,520,401,668,511.75/28,395,615.04
  6. Step 6: Final answer
    x = 23,190,918.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.