Home / 23,140,078.25-31,932,616.61-12,685,737.11

Finding the Fourth Proportional to 23,140,078.25, 31,932,616.61 and 12,685,737.11

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Solution

The fourth proportional to 23,140,078.25, 31,932,616.61 and 12,685,737.11 is: 17,505,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140,078.25 : 31,932,616.61 = 12,685,737.11 : x
  2. Step 2: Convert to fraction form
    23,140,078.25/31,932,616.61 = 12,685,737.11/x
  3. Step 3: Cross multiply
    23,140,078.25x = 31,932,616.61 × 12,685,737.11
  4. Step 4: Simplify right side
    23,140,078.25x = 405,088,779,548,879.38
  5. Step 5: Solve for x
    x = 405,088,779,548,879.38/23,140,078.25
  6. Step 6: Final answer
    x = 17,505,938.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.