Home / 12,455,410.60-18,679,616.70-3,938,357.80

Finding the Fourth Proportional to 12,455,410.60, 18,679,616.70 and 3,938,357.80

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Solution

The fourth proportional to 12,455,410.60, 18,679,616.70 and 3,938,357.80 is: 5,906,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,410.60 : 18,679,616.70 = 3,938,357.80 : x
  2. Step 2: Convert to fraction form
    12,455,410.60/18,679,616.70 = 3,938,357.80/x
  3. Step 3: Cross multiply
    12,455,410.60x = 18,679,616.70 × 3,938,357.80
  4. Step 4: Simplify right side
    12,455,410.60x = 73,567,014,131,455.25
  5. Step 5: Solve for x
    x = 73,567,014,131,455.25/12,455,410.60
  6. Step 6: Final answer
    x = 5,906,430.27

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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.