Home / 12,744,986.86-19,117,499.06-9,729,474.58

Finding the Fourth Proportional to 12,744,986.86, 19,117,499.06 and 9,729,474.58

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Solution

The fourth proportional to 12,744,986.86, 19,117,499.06 and 9,729,474.58 is: 14,594,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744,986.86 : 19,117,499.06 = 9,729,474.58 : x
  2. Step 2: Convert to fraction form
    12,744,986.86/19,117,499.06 = 9,729,474.58/x
  3. Step 3: Cross multiply
    12,744,986.86x = 19,117,499.06 × 9,729,474.58
  4. Step 4: Simplify right side
    12,744,986.86x = 186,003,221,137,443.88
  5. Step 5: Solve for x
    x = 186,003,221,137,443.88/12,744,986.86
  6. Step 6: Final answer
    x = 14,594,226.20

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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.