Home / 12,848,709.54-19,247,367.96-7,728,312

Finding the Fourth Proportional to 12,848,709.54, 19,247,367.96 and 7,728,312

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Solution

The fourth proportional to 12,848,709.54, 19,247,367.96 and 7,728,312 is: 11,577,012.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848,709.54 : 19,247,367.96 = 7,728,312 : x
  2. Step 2: Convert to fraction form
    12,848,709.54/19,247,367.96 = 7,728,312/x
  3. Step 3: Cross multiply
    12,848,709.54x = 19,247,367.96 × 7,728,312
  4. Step 4: Simplify right side
    12,848,709.54x = 148,749,664,773,683.53
  5. Step 5: Solve for x
    x = 148,749,664,773,683.53/12,848,709.54
  6. Step 6: Final answer
    x = 11,577,012.02

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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.