Home / 30,196,033.79-45,290,658.75-8,339,520.22

Finding the Fourth Proportional to 30,196,033.79, 45,290,658.75 and 8,339,520.22

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Solution

The fourth proportional to 30,196,033.79, 45,290,658.75 and 8,339,520.22 is: 12,508,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196,033.79 : 45,290,658.75 = 8,339,520.22 : x
  2. Step 2: Convert to fraction form
    30,196,033.79/45,290,658.75 = 8,339,520.22/x
  3. Step 3: Cross multiply
    30,196,033.79x = 45,290,658.75 × 8,339,520.22
  4. Step 4: Simplify right side
    30,196,033.79x = 377,702,364,422,744.94
  5. Step 5: Solve for x
    x = 377,702,364,422,744.94/30,196,033.79
  6. Step 6: Final answer
    x = 12,508,343.55

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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.