Home / 12,916,529.76-19,374,310.02-3,201,174.72

Finding the Fourth Proportional to 12,916,529.76, 19,374,310.02 and 3,201,174.72

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Solution

The fourth proportional to 12,916,529.76, 19,374,310.02 and 3,201,174.72 is: 4,801,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916,529.76 : 19,374,310.02 = 3,201,174.72 : x
  2. Step 2: Convert to fraction form
    12,916,529.76/19,374,310.02 = 3,201,174.72/x
  3. Step 3: Cross multiply
    12,916,529.76x = 19,374,310.02 × 3,201,174.72
  4. Step 4: Simplify right side
    12,916,529.76x = 62,020,551,453,466.70
  5. Step 5: Solve for x
    x = 62,020,551,453,466.70/12,916,529.76
  6. Step 6: Final answer
    x = 4,801,641.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.