Home / 13,872,008.84-20,812,634.38-4,650,893.78

Finding the Fourth Proportional to 13,872,008.84, 20,812,634.38 and 4,650,893.78

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Solution

The fourth proportional to 13,872,008.84, 20,812,634.38 and 4,650,893.78 is: 6,977,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,008.84 : 20,812,634.38 = 4,650,893.78 : x
  2. Step 2: Convert to fraction form
    13,872,008.84/20,812,634.38 = 4,650,893.78/x
  3. Step 3: Cross multiply
    13,872,008.84x = 20,812,634.38 × 4,650,893.78
  4. Step 4: Simplify right side
    13,872,008.84x = 96,797,351,783,356.16
  5. Step 5: Solve for x
    x = 96,797,351,783,356.16/13,872,008.84
  6. Step 6: Final answer
    x = 6,977,890.00

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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.