Home / 12,020,825.43-18,024,492.45-5,193,137.79

Finding the Fourth Proportional to 12,020,825.43, 18,024,492.45 and 5,193,137.79

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Solution

The fourth proportional to 12,020,825.43, 18,024,492.45 and 5,193,137.79 is: 7,786,792.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,825.43 : 18,024,492.45 = 5,193,137.79 : x
  2. Step 2: Convert to fraction form
    12,020,825.43/18,024,492.45 = 5,193,137.79/x
  3. Step 3: Cross multiply
    12,020,825.43x = 18,024,492.45 × 5,193,137.79
  4. Step 4: Simplify right side
    12,020,825.43x = 93,603,672,887,664.69
  5. Step 5: Solve for x
    x = 93,603,672,887,664.69/12,020,825.43
  6. Step 6: Final answer
    x = 7,786,792.47

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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.