Home / 21,787,074.40-32,680,611.60-6,640,981.60

Finding the Fourth Proportional to 21,787,074.40, 32,680,611.60 and 6,640,981.60

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Solution

The fourth proportional to 21,787,074.40, 32,680,611.60 and 6,640,981.60 is: 9,961,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787,074.40 : 32,680,611.60 = 6,640,981.60 : x
  2. Step 2: Convert to fraction form
    21,787,074.40/32,680,611.60 = 6,640,981.60/x
  3. Step 3: Cross multiply
    21,787,074.40x = 32,680,611.60 × 6,640,981.60
  4. Step 4: Simplify right side
    21,787,074.40x = 217,031,340,312,346.56
  5. Step 5: Solve for x
    x = 217,031,340,312,346.56/21,787,074.40
  6. Step 6: Final answer
    x = 9,961,472.40

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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.