Home / 19,887,269.60-29,830,904.40-16,695,999.20

Finding the Fourth Proportional to 19,887,269.60, 29,830,904.40 and 16,695,999.20

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Solution

The fourth proportional to 19,887,269.60, 29,830,904.40 and 16,695,999.20 is: 25,043,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887,269.60 : 29,830,904.40 = 16,695,999.20 : x
  2. Step 2: Convert to fraction form
    19,887,269.60/29,830,904.40 = 16,695,999.20/x
  3. Step 3: Cross multiply
    19,887,269.60x = 29,830,904.40 × 16,695,999.20
  4. Step 4: Simplify right side
    19,887,269.60x = 498,056,755,997,676.44
  5. Step 5: Solve for x
    x = 498,056,755,997,676.44/19,887,269.60
  6. Step 6: Final answer
    x = 25,043,998.80

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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.