Home / 21,556,046.20-32,334,069.30-19,997,152.60

Finding the Fourth Proportional to 21,556,046.20, 32,334,069.30 and 19,997,152.60

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Solution

The fourth proportional to 21,556,046.20, 32,334,069.30 and 19,997,152.60 is: 29,995,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556,046.20 : 32,334,069.30 = 19,997,152.60 : x
  2. Step 2: Convert to fraction form
    21,556,046.20/32,334,069.30 = 19,997,152.60/x
  3. Step 3: Cross multiply
    21,556,046.20x = 32,334,069.30 × 19,997,152.60
  4. Step 4: Simplify right side
    21,556,046.20x = 646,589,317,971,075.25
  5. Step 5: Solve for x
    x = 646,589,317,971,075.25/21,556,046.20
  6. Step 6: Final answer
    x = 29,995,728.90

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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.