Home / 30,310,453.62-45,460,203.20-8,739,751.86

Finding the Fourth Proportional to 30,310,453.62, 45,460,203.20 and 8,739,751.86

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Solution

The fourth proportional to 30,310,453.62, 45,460,203.20 and 8,739,751.86 is: 13,108,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,453.62 : 45,460,203.20 = 8,739,751.86 : x
  2. Step 2: Convert to fraction form
    30,310,453.62/45,460,203.20 = 8,739,751.86/x
  3. Step 3: Cross multiply
    30,310,453.62x = 45,460,203.20 × 8,739,751.86
  4. Step 4: Simplify right side
    30,310,453.62x = 397,310,895,473,177.94
  5. Step 5: Solve for x
    x = 397,310,895,473,177.94/30,310,453.62
  6. Step 6: Final answer
    x = 13,108,048.48

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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.