Home / 9,401,208.30-12,968,892.45-6,139,932.03

Finding the Fourth Proportional to 9,401,208.30, 12,968,892.45 and 6,139,932.03

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Solution

The fourth proportional to 9,401,208.30, 12,968,892.45 and 6,139,932.03 is: 8,469,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401,208.30 : 12,968,892.45 = 6,139,932.03 : x
  2. Step 2: Convert to fraction form
    9,401,208.30/12,968,892.45 = 6,139,932.03/x
  3. Step 3: Cross multiply
    9,401,208.30x = 12,968,892.45 × 6,139,932.03
  4. Step 4: Simplify right side
    9,401,208.30x = 79,628,118,147,380.17
  5. Step 5: Solve for x
    x = 79,628,118,147,380.17/9,401,208.30
  6. Step 6: Final answer
    x = 8,469,987.64

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1.5x scale

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.