Home / 22,002,009.60-30,362,302.80-12,211,883.04

Finding the Fourth Proportional to 22,002,009.60, 30,362,302.80 and 12,211,883.04

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Solution

The fourth proportional to 22,002,009.60, 30,362,302.80 and 12,211,883.04 is: 16,852,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002,009.60 : 30,362,302.80 = 12,211,883.04 : x
  2. Step 2: Convert to fraction form
    22,002,009.60/30,362,302.80 = 12,211,883.04/x
  3. Step 3: Cross multiply
    22,002,009.60x = 30,362,302.80 × 12,211,883.04
  4. Step 4: Simplify right side
    22,002,009.60x = 370,780,890,618,664.50
  5. Step 5: Solve for x
    x = 370,780,890,618,664.50/22,002,009.60
  6. Step 6: Final answer
    x = 16,852,137.48

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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.