Home / 21,335,495.23-29,443,056.73-11,545,936.86

Finding the Fourth Proportional to 21,335,495.23, 29,443,056.73 and 11,545,936.86

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Solution

The fourth proportional to 21,335,495.23, 29,443,056.73 and 11,545,936.86 is: 15,933,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,495.23 : 29,443,056.73 = 11,545,936.86 : x
  2. Step 2: Convert to fraction form
    21,335,495.23/29,443,056.73 = 11,545,936.86/x
  3. Step 3: Cross multiply
    21,335,495.23x = 29,443,056.73 × 11,545,936.86
  4. Step 4: Simplify right side
    21,335,495.23x = 339,947,673,803,113.56
  5. Step 5: Solve for x
    x = 339,947,673,803,113.56/21,335,495.23
  6. Step 6: Final answer
    x = 15,933,432.54

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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.