Home / 38,455,620.89-57,683,431.33-12,896,556.48

Finding the Fourth Proportional to 38,455,620.89, 57,683,431.33 and 12,896,556.48

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Solution

The fourth proportional to 38,455,620.89, 57,683,431.33 and 12,896,556.48 is: 19,344,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455,620.89 : 57,683,431.33 = 12,896,556.48 : x
  2. Step 2: Convert to fraction form
    38,455,620.89/57,683,431.33 = 12,896,556.48/x
  3. Step 3: Cross multiply
    38,455,620.89x = 57,683,431.33 × 12,896,556.48
  4. Step 4: Simplify right side
    38,455,620.89x = 743,917,630,075,305.12
  5. Step 5: Solve for x
    x = 743,917,630,075,305.12/38,455,620.89
  6. Step 6: Final answer
    x = 19,344,834.72

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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.