Home / 21,556,072.20-32,334,108.30-19,997,178.60

Finding the Fourth Proportional to 21,556,072.20, 32,334,108.30 and 19,997,178.60

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Solution

The fourth proportional to 21,556,072.20, 32,334,108.30 and 19,997,178.60 is: 29,995,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556,072.20 : 32,334,108.30 = 19,997,178.60 : x
  2. Step 2: Convert to fraction form
    21,556,072.20/32,334,108.30 = 19,997,178.60/x
  3. Step 3: Cross multiply
    21,556,072.20x = 32,334,108.30 × 19,997,178.60
  4. Step 4: Simplify right side
    21,556,072.20x = 646,590,938,546,842.50
  5. Step 5: Solve for x
    x = 646,590,938,546,842.50/21,556,072.20
  6. Step 6: Final answer
    x = 29,995,767.90

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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.