Home / 12,096,018.72-18,144,913.80-4,812,324.54

Finding the Fourth Proportional to 12,096,018.72, 18,144,913.80 and 4,812,324.54

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Solution

The fourth proportional to 12,096,018.72, 18,144,913.80 and 4,812,324.54 is: 7,218,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,018.72 : 18,144,913.80 = 4,812,324.54 : x
  2. Step 2: Convert to fraction form
    12,096,018.72/18,144,913.80 = 4,812,324.54/x
  3. Step 3: Cross multiply
    12,096,018.72x = 18,144,913.80 × 4,812,324.54
  4. Step 4: Simplify right side
    12,096,018.72x = 87,319,213,955,924.66
  5. Step 5: Solve for x
    x = 87,319,213,955,924.66/12,096,018.72
  6. Step 6: Final answer
    x = 7,218,839.19

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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.