Home / 11,003,385.60-16,505,078.40-3,430,291.20

Finding the Fourth Proportional to 11,003,385.60, 16,505,078.40 and 3,430,291.20

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Solution

The fourth proportional to 11,003,385.60, 16,505,078.40 and 3,430,291.20 is: 5,145,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003,385.60 : 16,505,078.40 = 3,430,291.20 : x
  2. Step 2: Convert to fraction form
    11,003,385.60/16,505,078.40 = 3,430,291.20/x
  3. Step 3: Cross multiply
    11,003,385.60x = 16,505,078.40 × 3,430,291.20
  4. Step 4: Simplify right side
    11,003,385.60x = 56,617,225,190,830.09
  5. Step 5: Solve for x
    x = 56,617,225,190,830.09/11,003,385.60
  6. Step 6: Final answer
    x = 5,145,436.80

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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.