Home / 12,192,038.37-18,275,256.01-4,102,205.69

Finding the Fourth Proportional to 12,192,038.37, 18,275,256.01 and 4,102,205.69

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Solution

The fourth proportional to 12,192,038.37, 18,275,256.01 and 4,102,205.69 is: 6,149,001.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192,038.37 : 18,275,256.01 = 4,102,205.69 : x
  2. Step 2: Convert to fraction form
    12,192,038.37/18,275,256.01 = 4,102,205.69/x
  3. Step 3: Cross multiply
    12,192,038.37x = 18,275,256.01 × 4,102,205.69
  4. Step 4: Simplify right side
    12,192,038.37x = 74,968,859,190,428.70
  5. Step 5: Solve for x
    x = 74,968,859,190,428.70/12,192,038.37
  6. Step 6: Final answer
    x = 6,149,001.25

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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.