Home / 21,648,166.74-29,874,478.23-11,858,963.85

Finding the Fourth Proportional to 21,648,166.74, 29,874,478.23 and 11,858,963.85

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Solution

The fourth proportional to 21,648,166.74, 29,874,478.23 and 11,858,963.85 is: 16,365,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,648,166.74 : 29,874,478.23 = 11,858,963.85 : x
  2. Step 2: Convert to fraction form
    21,648,166.74/29,874,478.23 = 11,858,963.85/x
  3. Step 3: Cross multiply
    21,648,166.74x = 29,874,478.23 × 11,858,963.85
  4. Step 4: Simplify right side
    21,648,166.74x = 354,280,357,367,182
  5. Step 5: Solve for x
    x = 354,280,357,367,182/21,648,166.74
  6. Step 6: Final answer
    x = 16,365,374.57

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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.