Home / 12,228,069.10-18,353,913.45-7,445,100.10

Finding the Fourth Proportional to 12,228,069.10, 18,353,913.45 and 7,445,100.10

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Solution

The fourth proportional to 12,228,069.10, 18,353,913.45 and 7,445,100.10 is: 11,174,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,069.10 : 18,353,913.45 = 7,445,100.10 : x
  2. Step 2: Convert to fraction form
    12,228,069.10/18,353,913.45 = 7,445,100.10/x
  3. Step 3: Cross multiply
    12,228,069.10x = 18,353,913.45 × 7,445,100.10
  4. Step 4: Simplify right side
    12,228,069.10x = 136,646,722,861,986.33
  5. Step 5: Solve for x
    x = 136,646,722,861,986.33/12,228,069.10
  6. Step 6: Final answer
    x = 11,174,840.59

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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.