Home / 23,140,927.26-31,934,738.89-13,219,123.35

Finding the Fourth Proportional to 23,140,927.26, 31,934,738.89 and 13,219,123.35

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Solution

The fourth proportional to 23,140,927.26, 31,934,738.89 and 13,219,123.35 is: 18,242,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140,927.26 : 31,934,738.89 = 13,219,123.35 : x
  2. Step 2: Convert to fraction form
    23,140,927.26/31,934,738.89 = 13,219,123.35/x
  3. Step 3: Cross multiply
    23,140,927.26x = 31,934,738.89 × 13,219,123.35
  4. Step 4: Simplify right side
    23,140,927.26x = 422,149,252,598,873.69
  5. Step 5: Solve for x
    x = 422,149,252,598,873.69/23,140,927.26
  6. Step 6: Final answer
    x = 18,242,538.33

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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.