Home / 13,122,069.80-19,683,104.70-11,208,882.20

Finding the Fourth Proportional to 13,122,069.80, 19,683,104.70 and 11,208,882.20

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Solution

The fourth proportional to 13,122,069.80, 19,683,104.70 and 11,208,882.20 is: 16,813,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,069.80 : 19,683,104.70 = 11,208,882.20 : x
  2. Step 2: Convert to fraction form
    13,122,069.80/19,683,104.70 = 11,208,882.20/x
  3. Step 3: Cross multiply
    13,122,069.80x = 19,683,104.70 × 11,208,882.20
  4. Step 4: Simplify right side
    13,122,069.80x = 220,625,601,912,566.31
  5. Step 5: Solve for x
    x = 220,625,601,912,566.31/13,122,069.80
  6. Step 6: Final answer
    x = 16,813,323.30

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1.5x scale

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.