Home / 20,153,968.80-30,211,599.60-6,683,863.20

Finding the Fourth Proportional to 20,153,968.80, 30,211,599.60 and 6,683,863.20

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Solution

The fourth proportional to 20,153,968.80, 30,211,599.60 and 6,683,863.20 is: 10,019,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,968.80 : 30,211,599.60 = 6,683,863.20 : x
  2. Step 2: Convert to fraction form
    20,153,968.80/30,211,599.60 = 6,683,863.20/x
  3. Step 3: Cross multiply
    20,153,968.80x = 30,211,599.60 × 6,683,863.20
  4. Step 4: Simplify right side
    20,153,968.80x = 201,930,198,779,574.75
  5. Step 5: Solve for x
    x = 201,930,198,779,574.75/20,153,968.80
  6. Step 6: Final answer
    x = 10,019,376.37

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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.