Home / 12,795,401.20-19,193,101.80-9,925,619.80

Finding the Fourth Proportional to 12,795,401.20, 19,193,101.80 and 9,925,619.80

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Solution

The fourth proportional to 12,795,401.20, 19,193,101.80 and 9,925,619.80 is: 14,888,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795,401.20 : 19,193,101.80 = 9,925,619.80 : x
  2. Step 2: Convert to fraction form
    12,795,401.20/19,193,101.80 = 9,925,619.80/x
  3. Step 3: Cross multiply
    12,795,401.20x = 19,193,101.80 × 9,925,619.80
  4. Step 4: Simplify right side
    12,795,401.20x = 190,503,431,249,495.66
  5. Step 5: Solve for x
    x = 190,503,431,249,495.66/12,795,401.20
  6. Step 6: Final answer
    x = 14,888,429.70

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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.