Home / 20,002,051.20-30,003,076.80-19,683,186.60

Finding the Fourth Proportional to 20,002,051.20, 30,003,076.80 and 19,683,186.60

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Solution

The fourth proportional to 20,002,051.20, 30,003,076.80 and 19,683,186.60 is: 29,524,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,051.20 : 30,003,076.80 = 19,683,186.60 : x
  2. Step 2: Convert to fraction form
    20,002,051.20/30,003,076.80 = 19,683,186.60/x
  3. Step 3: Cross multiply
    20,002,051.20x = 30,003,076.80 × 19,683,186.60
  4. Step 4: Simplify right side
    20,002,051.20x = 590,556,159,228,531
  5. Step 5: Solve for x
    x = 590,556,159,228,531/20,002,051.20
  6. Step 6: Final answer
    x = 29,524,779.90

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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.