Home / 12,494,825.60-18,742,238.40-7,451,830.40

Finding the Fourth Proportional to 12,494,825.60, 18,742,238.40 and 7,451,830.40

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Solution

The fourth proportional to 12,494,825.60, 18,742,238.40 and 7,451,830.40 is: 11,177,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494,825.60 : 18,742,238.40 = 7,451,830.40 : x
  2. Step 2: Convert to fraction form
    12,494,825.60/18,742,238.40 = 7,451,830.40/x
  3. Step 3: Cross multiply
    12,494,825.60x = 18,742,238.40 × 7,451,830.40
  4. Step 4: Simplify right side
    12,494,825.60x = 139,663,981,873,167.36
  5. Step 5: Solve for x
    x = 139,663,981,873,167.36/12,494,825.60
  6. Step 6: Final answer
    x = 11,177,745.60

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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.