Home / 25,907,596.80-38,886,278.40-13,142,515.20

Finding the Fourth Proportional to 25,907,596.80, 38,886,278.40 and 13,142,515.20

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Solution

The fourth proportional to 25,907,596.80, 38,886,278.40 and 13,142,515.20 is: 19,726,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,907,596.80 : 38,886,278.40 = 13,142,515.20 : x
  2. Step 2: Convert to fraction form
    25,907,596.80/38,886,278.40 = 13,142,515.20/x
  3. Step 3: Cross multiply
    25,907,596.80x = 38,886,278.40 × 13,142,515.20
  4. Step 4: Simplify right side
    25,907,596.80x = 511,063,504,943,431.62
  5. Step 5: Solve for x
    x = 511,063,504,943,431.62/25,907,596.80
  6. Step 6: Final answer
    x = 19,726,395.65

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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.