Home / 18,349,347.40-27,505,840.52-8,616,537.72

Finding the Fourth Proportional to 18,349,347.40, 27,505,840.52 and 8,616,537.72

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Solution

The fourth proportional to 18,349,347.40, 27,505,840.52 and 8,616,537.72 is: 12,916,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349,347.40 : 27,505,840.52 = 8,616,537.72 : x
  2. Step 2: Convert to fraction form
    18,349,347.40/27,505,840.52 = 8,616,537.72/x
  3. Step 3: Cross multiply
    18,349,347.40x = 27,505,840.52 × 8,616,537.72
  4. Step 4: Simplify right side
    18,349,347.40x = 237,005,112,360,884.44
  5. Step 5: Solve for x
    x = 237,005,112,360,884.44/18,349,347.40
  6. Step 6: Final answer
    x = 12,916,269.29

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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.