Home / 20,628,251.00-28,460,778.42-12,365,298.39

Finding the Fourth Proportional to 20,628,251.00, 28,460,778.42 and 12,365,298.39

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Solution

The fourth proportional to 20,628,251.00, 28,460,778.42 and 12,365,298.39 is: 17,060,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628,251.00 : 28,460,778.42 = 12,365,298.39 : x
  2. Step 2: Convert to fraction form
    20,628,251.00/28,460,778.42 = 12,365,298.39/x
  3. Step 3: Cross multiply
    20,628,251.00x = 28,460,778.42 × 12,365,298.39
  4. Step 4: Simplify right side
    20,628,251.00x = 351,926,017,498,423.88
  5. Step 5: Solve for x
    x = 351,926,017,498,423.88/20,628,251.00
  6. Step 6: Final answer
    x = 17,060,390.51

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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.