Home / 20,022,055.07-27,631,180.08-11,319,708.69

Finding the Fourth Proportional to 20,022,055.07, 27,631,180.08 and 11,319,708.69

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Solution

The fourth proportional to 20,022,055.07, 27,631,180.08 and 11,319,708.69 is: 15,621,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,055.07 : 27,631,180.08 = 11,319,708.69 : x
  2. Step 2: Convert to fraction form
    20,022,055.07/27,631,180.08 = 11,319,708.69/x
  3. Step 3: Cross multiply
    20,022,055.07x = 27,631,180.08 × 11,319,708.69
  4. Step 4: Simplify right side
    20,022,055.07x = 312,776,909,266,530.88
  5. Step 5: Solve for x
    x = 312,776,909,266,530.88/20,022,055.07
  6. Step 6: Final answer
    x = 15,621,618.67

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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.