Home / 21,648,180.42-29,874,494.25-11,858,972.58

Finding the Fourth Proportional to 21,648,180.42, 29,874,494.25 and 11,858,972.58

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Solution

The fourth proportional to 21,648,180.42, 29,874,494.25 and 11,858,972.58 is: 16,365,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,648,180.42 : 29,874,494.25 = 11,858,972.58 : x
  2. Step 2: Convert to fraction form
    21,648,180.42/29,874,494.25 = 11,858,972.58/x
  3. Step 3: Cross multiply
    21,648,180.42x = 29,874,494.25 × 11,858,972.58
  4. Step 4: Simplify right side
    21,648,180.42x = 354,280,808,152,117.69
  5. Step 5: Solve for x
    x = 354,280,808,152,117.69/21,648,180.42
  6. Step 6: Final answer
    x = 16,365,385.05

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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.