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Finding the Fourth Proportional to 29,952,803.60, 44,929,205.40 and 12,014,781.20

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Solution

The fourth proportional to 29,952,803.60, 44,929,205.40 and 12,014,781.20 is: 18,022,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,952,803.60 : 44,929,205.40 = 12,014,781.20 : x
  2. Step 2: Convert to fraction form
    29,952,803.60/44,929,205.40 = 12,014,781.20/x
  3. Step 3: Cross multiply
    29,952,803.60x = 44,929,205.40 × 12,014,781.20
  4. Step 4: Simplify right side
    29,952,803.60x = 539,814,572,370,858.44
  5. Step 5: Solve for x
    x = 539,814,572,370,858.44/29,952,803.60
  6. Step 6: Final answer
    x = 18,022,171.80

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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.