Home / 9,436,990.81-13,022,923.48-5,307,020.67

Finding the Fourth Proportional to 9,436,990.81, 13,022,923.48 and 5,307,020.67

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Solution

The fourth proportional to 9,436,990.81, 13,022,923.48 and 5,307,020.67 is: 7,323,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436,990.81 : 13,022,923.48 = 5,307,020.67 : x
  2. Step 2: Convert to fraction form
    9,436,990.81/13,022,923.48 = 5,307,020.67/x
  3. Step 3: Cross multiply
    9,436,990.81x = 13,022,923.48 × 5,307,020.67
  4. Step 4: Simplify right side
    9,436,990.81x = 69,112,924,157,608.73
  5. Step 5: Solve for x
    x = 69,112,924,157,608.73/9,436,990.81
  6. Step 6: Final answer
    x = 7,323,618.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.