Home / 12,296,390.40-18,444,585.60-5,905,101.60

Finding the Fourth Proportional to 12,296,390.40, 18,444,585.60 and 5,905,101.60

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Solution

The fourth proportional to 12,296,390.40, 18,444,585.60 and 5,905,101.60 is: 8,857,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,390.40 : 18,444,585.60 = 5,905,101.60 : x
  2. Step 2: Convert to fraction form
    12,296,390.40/18,444,585.60 = 5,905,101.60/x
  3. Step 3: Cross multiply
    12,296,390.40x = 18,444,585.60 × 5,905,101.60
  4. Step 4: Simplify right side
    12,296,390.40x = 108,917,151,937,896.97
  5. Step 5: Solve for x
    x = 108,917,151,937,896.97/12,296,390.40
  6. Step 6: Final answer
    x = 8,857,652.40

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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.