Home / 21,505,219.80-32,257,829.70-21,355,920.60

Finding the Fourth Proportional to 21,505,219.80, 32,257,829.70 and 21,355,920.60

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Solution

The fourth proportional to 21,505,219.80, 32,257,829.70 and 21,355,920.60 is: 32,033,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,219.80 : 32,257,829.70 = 21,355,920.60 : x
  2. Step 2: Convert to fraction form
    21,505,219.80/32,257,829.70 = 21,355,920.60/x
  3. Step 3: Cross multiply
    21,505,219.80x = 32,257,829.70 × 21,355,920.60
  4. Step 4: Simplify right side
    21,505,219.80x = 688,895,649,801,521.88
  5. Step 5: Solve for x
    x = 688,895,649,801,521.88/21,505,219.80
  6. Step 6: Final answer
    x = 32,033,880.90

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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.