Home / 9,107,192.78-13,656,900.40-5,271,662.68

Finding the Fourth Proportional to 9,107,192.78, 13,656,900.40 and 5,271,662.68

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Solution

The fourth proportional to 9,107,192.78, 13,656,900.40 and 5,271,662.68 is: 7,905,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107,192.78 : 13,656,900.40 = 5,271,662.68 : x
  2. Step 2: Convert to fraction form
    9,107,192.78/13,656,900.40 = 5,271,662.68/x
  3. Step 3: Cross multiply
    9,107,192.78x = 13,656,900.40 × 5,271,662.68
  4. Step 4: Simplify right side
    9,107,192.78x = 71,994,572,163,157.06
  5. Step 5: Solve for x
    x = 71,994,572,163,157.06/9,107,192.78
  6. Step 6: Final answer
    x = 7,905,243.02

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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.