Home / 29,220,439.70-40,306,637.34-19,297,413.80

Finding the Fourth Proportional to 29,220,439.70, 40,306,637.34 and 19,297,413.80

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Solution

The fourth proportional to 29,220,439.70, 40,306,637.34 and 19,297,413.80 is: 26,618,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,220,439.70 : 40,306,637.34 = 19,297,413.80 : x
  2. Step 2: Convert to fraction form
    29,220,439.70/40,306,637.34 = 19,297,413.80/x
  3. Step 3: Cross multiply
    29,220,439.70x = 40,306,637.34 × 19,297,413.80
  4. Step 4: Simplify right side
    29,220,439.70x = 777,813,859,636,511.38
  5. Step 5: Solve for x
    x = 777,813,859,636,511.38/29,220,439.70
  6. Step 6: Final answer
    x = 26,618,828.04

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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.