Home / 9,772,145.28-13,485,576.06-5,421,231.54

Finding the Fourth Proportional to 9,772,145.28, 13,485,576.06 and 5,421,231.54

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Solution

The fourth proportional to 9,772,145.28, 13,485,576.06 and 5,421,231.54 is: 7,481,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,145.28 : 13,485,576.06 = 5,421,231.54 : x
  2. Step 2: Convert to fraction form
    9,772,145.28/13,485,576.06 = 5,421,231.54/x
  3. Step 3: Cross multiply
    9,772,145.28x = 13,485,576.06 × 5,421,231.54
  4. Step 4: Simplify right side
    9,772,145.28x = 73,108,430,271,540.94
  5. Step 5: Solve for x
    x = 73,108,430,271,540.94/9,772,145.28
  6. Step 6: Final answer
    x = 7,481,308.16

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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.