Home / 21,584,014.53-29,787,638.07-12,291,977.78

Finding the Fourth Proportional to 21,584,014.53, 29,787,638.07 and 12,291,977.78

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Solution

The fourth proportional to 21,584,014.53, 29,787,638.07 and 12,291,977.78 is: 16,963,896.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584,014.53 : 29,787,638.07 = 12,291,977.78 : x
  2. Step 2: Convert to fraction form
    21,584,014.53/29,787,638.07 = 12,291,977.78/x
  3. Step 3: Cross multiply
    21,584,014.53x = 29,787,638.07 × 12,291,977.78
  4. Step 4: Simplify right side
    21,584,014.53x = 366,148,985,214,840.06
  5. Step 5: Solve for x
    x = 366,148,985,214,840.06/21,584,014.53
  6. Step 6: Final answer
    x = 16,963,896.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.