Home / 21,812,103.20-32,718,154.80-13,749,946.40

Finding the Fourth Proportional to 21,812,103.20, 32,718,154.80 and 13,749,946.40

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Solution

The fourth proportional to 21,812,103.20, 32,718,154.80 and 13,749,946.40 is: 20,624,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812,103.20 : 32,718,154.80 = 13,749,946.40 : x
  2. Step 2: Convert to fraction form
    21,812,103.20/32,718,154.80 = 13,749,946.40/x
  3. Step 3: Cross multiply
    21,812,103.20x = 32,718,154.80 × 13,749,946.40
  4. Step 4: Simplify right side
    21,812,103.20x = 449,872,874,806,902.75
  5. Step 5: Solve for x
    x = 449,872,874,806,902.75/21,812,103.20
  6. Step 6: Final answer
    x = 20,624,919.60

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1.5x scale

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.