Home / 21,505,214.40-32,257,821.60-21,355,915.20

Finding the Fourth Proportional to 21,505,214.40, 32,257,821.60 and 21,355,915.20

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Solution

The fourth proportional to 21,505,214.40, 32,257,821.60 and 21,355,915.20 is: 32,033,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,214.40 : 32,257,821.60 = 21,355,915.20 : x
  2. Step 2: Convert to fraction form
    21,505,214.40/32,257,821.60 = 21,355,915.20/x
  3. Step 3: Cross multiply
    21,505,214.40x = 32,257,821.60 × 21,355,915.20
  4. Step 4: Simplify right side
    21,505,214.40x = 688,895,302,626,328.38
  5. Step 5: Solve for x
    x = 688,895,302,626,328.38/21,505,214.40
  6. Step 6: Final answer
    x = 32,033,872.80

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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.