Home / 21,911,902.60-32,804,868.30-13,408,846.60

Finding the Fourth Proportional to 21,911,902.60, 32,804,868.30 and 13,408,846.60

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Solution

The fourth proportional to 21,911,902.60, 32,804,868.30 and 13,408,846.60 is: 20,074,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911,902.60 : 32,804,868.30 = 13,408,846.60 : x
  2. Step 2: Convert to fraction form
    21,911,902.60/32,804,868.30 = 13,408,846.60/x
  3. Step 3: Cross multiply
    21,911,902.60x = 32,804,868.30 × 13,408,846.60
  4. Step 4: Simplify right side
    21,911,902.60x = 439,875,446,767,902.75
  5. Step 5: Solve for x
    x = 439,875,446,767,902.75/21,911,902.60
  6. Step 6: Final answer
    x = 20,074,726.27

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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.