Home / 51,683,687.35-71,320,274.89-28,477,515.67

Finding the Fourth Proportional to 51,683,687.35, 71,320,274.89 and 28,477,515.67

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Solution

The fourth proportional to 51,683,687.35, 71,320,274.89 and 28,477,515.67 is: 39,297,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,683,687.35 : 71,320,274.89 = 28,477,515.67 : x
  2. Step 2: Convert to fraction form
    51,683,687.35/71,320,274.89 = 28,477,515.67/x
  3. Step 3: Cross multiply
    51,683,687.35x = 71,320,274.89 × 28,477,515.67
  4. Step 4: Simplify right side
    51,683,687.35x = 2,031,024,245,768,682.75
  5. Step 5: Solve for x
    x = 2,031,024,245,768,682.75/51,683,687.35
  6. Step 6: Final answer
    x = 39,297,200.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.