Home / 21,911,896.90-32,867,845.35-13,408,840.90

Finding the Fourth Proportional to 21,911,896.90, 32,867,845.35 and 13,408,840.90

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Solution

The fourth proportional to 21,911,896.90, 32,867,845.35 and 13,408,840.90 is: 20,113,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911,896.90 : 32,867,845.35 = 13,408,840.90 : x
  2. Step 2: Convert to fraction form
    21,911,896.90/32,867,845.35 = 13,408,840.90/x
  3. Step 3: Cross multiply
    21,911,896.90x = 32,867,845.35 × 13,408,840.90
  4. Step 4: Simplify right side
    21,911,896.90x = 440,719,709,023,954.88
  5. Step 5: Solve for x
    x = 440,719,709,023,954.88/21,911,896.90
  6. Step 6: Final answer
    x = 20,113,261.35

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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.