Home / 12,028,778.52-18,042,261.12-3,831,090

Finding the Fourth Proportional to 12,028,778.52, 18,042,261.12 and 3,831,090

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Solution

The fourth proportional to 12,028,778.52, 18,042,261.12 and 3,831,090 is: 5,746,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028,778.52 : 18,042,261.12 = 3,831,090 : x
  2. Step 2: Convert to fraction form
    12,028,778.52/18,042,261.12 = 3,831,090/x
  3. Step 3: Cross multiply
    12,028,778.52x = 18,042,261.12 × 3,831,090
  4. Step 4: Simplify right side
    12,028,778.52x = 69,121,526,154,220.80
  5. Step 5: Solve for x
    x = 69,121,526,154,220.80/12,028,778.52
  6. Step 6: Final answer
    x = 5,746,346.23

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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.