Home / 21,911,867.40-32,867,801.10-13,408,811.40

Finding the Fourth Proportional to 21,911,867.40, 32,867,801.10 and 13,408,811.40

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Solution

The fourth proportional to 21,911,867.40, 32,867,801.10 and 13,408,811.40 is: 20,113,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911,867.40 : 32,867,801.10 = 13,408,811.40 : x
  2. Step 2: Convert to fraction form
    21,911,867.40/32,867,801.10 = 13,408,811.40/x
  3. Step 3: Cross multiply
    21,911,867.40x = 32,867,801.10 × 13,408,811.40
  4. Step 4: Simplify right side
    21,911,867.40x = 440,718,146,082,612.56
  5. Step 5: Solve for x
    x = 440,718,146,082,612.56/21,911,867.40
  6. Step 6: Final answer
    x = 20,113,217.10

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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.