Home / 11,342,973.12-15,647,900.16-7,673,174.40

Finding the Fourth Proportional to 11,342,973.12, 15,647,900.16 and 7,673,174.40

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Solution

The fourth proportional to 11,342,973.12, 15,647,900.16 and 7,673,174.40 is: 10,585,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342,973.12 : 15,647,900.16 = 7,673,174.40 : x
  2. Step 2: Convert to fraction form
    11,342,973.12/15,647,900.16 = 7,673,174.40/x
  3. Step 3: Cross multiply
    11,342,973.12x = 15,647,900.16 × 7,673,174.40
  4. Step 4: Simplify right side
    11,342,973.12x = 120,069,066,921,467.91
  5. Step 5: Solve for x
    x = 120,069,066,921,467.91/11,342,973.12
  6. Step 6: Final answer
    x = 10,585,325.88

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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.