Home / 18,667,085.80-28,000,628.70-16,753,898.20

Finding the Fourth Proportional to 18,667,085.80, 28,000,628.70 and 16,753,898.20

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Solution

The fourth proportional to 18,667,085.80, 28,000,628.70 and 16,753,898.20 is: 25,130,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667,085.80 : 28,000,628.70 = 16,753,898.20 : x
  2. Step 2: Convert to fraction form
    18,667,085.80/28,000,628.70 = 16,753,898.20/x
  3. Step 3: Cross multiply
    18,667,085.80x = 28,000,628.70 × 16,753,898.20
  4. Step 4: Simplify right side
    18,667,085.80x = 469,119,682,775,798.31
  5. Step 5: Solve for x
    x = 469,119,682,775,798.31/18,667,085.80
  6. Step 6: Final answer
    x = 25,130,847.30

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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.