Home / 12,792,531.70-19,183,335.18-7,404,900.94

Finding the Fourth Proportional to 12,792,531.70, 19,183,335.18 and 7,404,900.94

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Solution

The fourth proportional to 12,792,531.70, 19,183,335.18 and 7,404,900.94 is: 11,104,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792,531.70 : 19,183,335.18 = 7,404,900.94 : x
  2. Step 2: Convert to fraction form
    12,792,531.70/19,183,335.18 = 7,404,900.94/x
  3. Step 3: Cross multiply
    12,792,531.70x = 19,183,335.18 × 7,404,900.94
  4. Step 4: Simplify right side
    12,792,531.70x = 142,050,696,706,717.06
  5. Step 5: Solve for x
    x = 142,050,696,706,717.06/12,792,531.70
  6. Step 6: Final answer
    x = 11,104,189.54

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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.