Home / 30,310,451.62-45,460,200.20-8,739,749.86

Finding the Fourth Proportional to 30,310,451.62, 45,460,200.20 and 8,739,749.86

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Solution

The fourth proportional to 30,310,451.62, 45,460,200.20 and 8,739,749.86 is: 13,108,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,451.62 : 45,460,200.20 = 8,739,749.86 : x
  2. Step 2: Convert to fraction form
    30,310,451.62/45,460,200.20 = 8,739,749.86/x
  3. Step 3: Cross multiply
    30,310,451.62x = 45,460,200.20 × 8,739,749.86
  4. Step 4: Simplify right side
    30,310,451.62x = 397,310,778,333,522
  5. Step 5: Solve for x
    x = 397,310,778,333,522/30,310,451.62
  6. Step 6: Final answer
    x = 13,108,045.48

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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.