Home / 11,655,027.20-16,084,136.96-6,428,635.52

Finding the Fourth Proportional to 11,655,027.20, 16,084,136.96 and 6,428,635.52

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Solution

The fourth proportional to 11,655,027.20, 16,084,136.96 and 6,428,635.52 is: 8,871,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655,027.20 : 16,084,136.96 = 6,428,635.52 : x
  2. Step 2: Convert to fraction form
    11,655,027.20/16,084,136.96 = 6,428,635.52/x
  3. Step 3: Cross multiply
    11,655,027.20x = 16,084,136.96 × 6,428,635.52
  4. Step 4: Simplify right side
    11,655,027.20x = 103,399,054,169,600.81
  5. Step 5: Solve for x
    x = 103,399,054,169,600.81/11,655,027.20
  6. Step 6: Final answer
    x = 8,871,627.02

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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.