Home / 12,048,099.88-16,626,343.62-7,219,203.88

Finding the Fourth Proportional to 12,048,099.88, 16,626,343.62 and 7,219,203.88

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Solution

The fourth proportional to 12,048,099.88, 16,626,343.62 and 7,219,203.88 is: 9,962,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,099.88 : 16,626,343.62 = 7,219,203.88 : x
  2. Step 2: Convert to fraction form
    12,048,099.88/16,626,343.62 = 7,219,203.88/x
  3. Step 3: Cross multiply
    12,048,099.88x = 16,626,343.62 × 7,219,203.88
  4. Step 4: Simplify right side
    12,048,099.88x = 120,028,964,371,717.23
  5. Step 5: Solve for x
    x = 120,028,964,371,717.23/12,048,099.88
  6. Step 6: Final answer
    x = 9,962,480.85

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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.