Home / 23,139,673.95-31,932,057.99-12,685,332.73

Finding the Fourth Proportional to 23,139,673.95, 31,932,057.99 and 12,685,332.73

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Solution

The fourth proportional to 23,139,673.95, 31,932,057.99 and 12,685,332.73 is: 17,505,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139,673.95 : 31,932,057.99 = 12,685,332.73 : x
  2. Step 2: Convert to fraction form
    23,139,673.95/31,932,057.99 = 12,685,332.73/x
  3. Step 3: Cross multiply
    23,139,673.95x = 31,932,057.99 × 12,685,332.73
  4. Step 4: Simplify right side
    23,139,673.95x = 405,068,780,356,805
  5. Step 5: Solve for x
    x = 405,068,780,356,805/23,139,673.95
  6. Step 6: Final answer
    x = 17,505,379.77

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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.