Home / 12,171,889.48-18,259,614.60-3,652,899.16

Finding the Fourth Proportional to 12,171,889.48, 18,259,614.60 and 3,652,899.16

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Solution

The fourth proportional to 12,171,889.48, 18,259,614.60 and 3,652,899.16 is: 5,479,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,889.48 : 18,259,614.60 = 3,652,899.16 : x
  2. Step 2: Convert to fraction form
    12,171,889.48/18,259,614.60 = 3,652,899.16/x
  3. Step 3: Cross multiply
    12,171,889.48x = 18,259,614.60 × 3,652,899.16
  4. Step 4: Simplify right side
    12,171,889.48x = 66,700,530,834,263.74
  5. Step 5: Solve for x
    x = 66,700,530,834,263.74/12,171,889.48
  6. Step 6: Final answer
    x = 5,479,883.05

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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.