Home / 12,260,687.56-16,920,273.78-6,828,179.56

Finding the Fourth Proportional to 12,260,687.56, 16,920,273.78 and 6,828,179.56

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Solution

The fourth proportional to 12,260,687.56, 16,920,273.78 and 6,828,179.56 is: 9,423,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,687.56 : 16,920,273.78 = 6,828,179.56 : x
  2. Step 2: Convert to fraction form
    12,260,687.56/16,920,273.78 = 6,828,179.56/x
  3. Step 3: Cross multiply
    12,260,687.56x = 16,920,273.78 × 6,828,179.56
  4. Step 4: Simplify right side
    12,260,687.56x = 115,534,667,574,199.94
  5. Step 5: Solve for x
    x = 115,534,667,574,199.94/12,260,687.56
  6. Step 6: Final answer
    x = 9,423,180.14

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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.