Home / 13,837,631.40-20,738,440.80-5,630,707.35

Finding the Fourth Proportional to 13,837,631.40, 20,738,440.80 and 5,630,707.35

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Solution

The fourth proportional to 13,837,631.40, 20,738,440.80 and 5,630,707.35 is: 8,438,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837,631.40 : 20,738,440.80 = 5,630,707.35 : x
  2. Step 2: Convert to fraction form
    13,837,631.40/20,738,440.80 = 5,630,707.35/x
  3. Step 3: Cross multiply
    13,837,631.40x = 20,738,440.80 × 5,630,707.35
  4. Step 4: Simplify right side
    13,837,631.40x = 116,772,091,040,099.88
  5. Step 5: Solve for x
    x = 116,772,091,040,099.88/13,837,631.40
  6. Step 6: Final answer
    x = 8,438,734.03

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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.