Home / 30,253,497.70-45,326,118.30-18,401,051.20

Finding the Fourth Proportional to 30,253,497.70, 45,326,118.30 and 18,401,051.20

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Solution

The fourth proportional to 30,253,497.70, 45,326,118.30 and 18,401,051.20 is: 27,568,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253,497.70 : 45,326,118.30 = 18,401,051.20 : x
  2. Step 2: Convert to fraction form
    30,253,497.70/45,326,118.30 = 18,401,051.20/x
  3. Step 3: Cross multiply
    30,253,497.70x = 45,326,118.30 × 18,401,051.20
  4. Step 4: Simplify right side
    30,253,497.70x = 834,048,223,535,556.88
  5. Step 5: Solve for x
    x = 834,048,223,535,556.88/30,253,497.70
  6. Step 6: Final answer
    x = 27,568,654.43

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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.