Home / 30,222,138.93-45,342,102.60-9,751,474.46

Finding the Fourth Proportional to 30,222,138.93, 45,342,102.60 and 9,751,474.46

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Solution

The fourth proportional to 30,222,138.93, 45,342,102.60 and 9,751,474.46 is: 14,630,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222,138.93 : 45,342,102.60 = 9,751,474.46 : x
  2. Step 2: Convert to fraction form
    30,222,138.93/45,342,102.60 = 9,751,474.46/x
  3. Step 3: Cross multiply
    30,222,138.93x = 45,342,102.60 × 9,751,474.46
  4. Step 4: Simplify right side
    30,222,138.93x = 442,152,355,239,889.12
  5. Step 5: Solve for x
    x = 442,152,355,239,889.12/30,222,138.93
  6. Step 6: Final answer
    x = 14,630,081.49

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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.