Home / 23,431,960.80-35,168,936.40-20,240,690.40

Finding the Fourth Proportional to 23,431,960.80, 35,168,936.40 and 20,240,690.40

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Solution

The fourth proportional to 23,431,960.80, 35,168,936.40 and 20,240,690.40 is: 30,379,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431,960.80 : 35,168,936.40 = 20,240,690.40 : x
  2. Step 2: Convert to fraction form
    23,431,960.80/35,168,936.40 = 20,240,690.40/x
  3. Step 3: Cross multiply
    23,431,960.80x = 35,168,936.40 × 20,240,690.40
  4. Step 4: Simplify right side
    23,431,960.80x = 711,843,553,369,690.50
  5. Step 5: Solve for x
    x = 711,843,553,369,690.50/23,431,960.80
  6. Step 6: Final answer
    x = 30,379,171.40

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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.