Home / 21,911,872.40-32,867,808.60-13,408,816.40

Finding the Fourth Proportional to 21,911,872.40, 32,867,808.60 and 13,408,816.40

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Solution

The fourth proportional to 21,911,872.40, 32,867,808.60 and 13,408,816.40 is: 20,113,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911,872.40 : 32,867,808.60 = 13,408,816.40 : x
  2. Step 2: Convert to fraction form
    21,911,872.40/32,867,808.60 = 13,408,816.40/x
  3. Step 3: Cross multiply
    21,911,872.40x = 32,867,808.60 × 13,408,816.40
  4. Step 4: Simplify right side
    21,911,872.40x = 440,718,410,987,741.06
  5. Step 5: Solve for x
    x = 440,718,410,987,741.06/21,911,872.40
  6. Step 6: Final answer
    x = 20,113,224.60

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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.