Home / 9,720,586.78-13,414,149.39-5,369,579.44

Finding the Fourth Proportional to 9,720,586.78, 13,414,149.39 and 5,369,579.44

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Solution

The fourth proportional to 9,720,586.78, 13,414,149.39 and 5,369,579.44 is: 7,409,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,586.78 : 13,414,149.39 = 5,369,579.44 : x
  2. Step 2: Convert to fraction form
    9,720,586.78/13,414,149.39 = 5,369,579.44/x
  3. Step 3: Cross multiply
    9,720,586.78x = 13,414,149.39 × 5,369,579.44
  4. Step 4: Simplify right side
    9,720,586.78x = 72,028,340,769,632.55
  5. Step 5: Solve for x
    x = 72,028,340,769,632.55/9,720,586.78
  6. Step 6: Final answer
    x = 7,409,875.80

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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.