Home / 30,279,297.70-45,364,818.30-18,426,851.20

Finding the Fourth Proportional to 30,279,297.70, 45,364,818.30 and 18,426,851.20

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Solution

The fourth proportional to 30,279,297.70, 45,364,818.30 and 18,426,851.20 is: 27,607,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279,297.70 : 45,364,818.30 = 18,426,851.20 : x
  2. Step 2: Convert to fraction form
    30,279,297.70/45,364,818.30 = 18,426,851.20/x
  3. Step 3: Cross multiply
    30,279,297.70x = 45,364,818.30 × 18,426,851.20
  4. Step 4: Simplify right side
    30,279,297.70x = 835,930,756,529,136.88
  5. Step 5: Solve for x
    x = 835,930,756,529,136.88/30,279,297.70
  6. Step 6: Final answer
    x = 27,607,336.37

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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.