Home / 29,147,319.20-43,720,978.80-12,099,216.80

Finding the Fourth Proportional to 29,147,319.20, 43,720,978.80 and 12,099,216.80

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Solution

The fourth proportional to 29,147,319.20, 43,720,978.80 and 12,099,216.80 is: 18,148,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147,319.20 : 43,720,978.80 = 12,099,216.80 : x
  2. Step 2: Convert to fraction form
    29,147,319.20/43,720,978.80 = 12,099,216.80/x
  3. Step 3: Cross multiply
    29,147,319.20x = 43,720,978.80 × 12,099,216.80
  4. Step 4: Simplify right side
    29,147,319.20x = 528,989,601,209,403.81
  5. Step 5: Solve for x
    x = 528,989,601,209,403.81/29,147,319.20
  6. Step 6: Final answer
    x = 18,148,825.20

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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.