Home / 21,789,033.60-32,683,550.40-19,400,246.40

Finding the Fourth Proportional to 21,789,033.60, 32,683,550.40 and 19,400,246.40

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Solution

The fourth proportional to 21,789,033.60, 32,683,550.40 and 19,400,246.40 is: 29,100,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,789,033.60 : 32,683,550.40 = 19,400,246.40 : x
  2. Step 2: Convert to fraction form
    21,789,033.60/32,683,550.40 = 19,400,246.40/x
  3. Step 3: Cross multiply
    21,789,033.60x = 32,683,550.40 × 19,400,246.40
  4. Step 4: Simplify right side
    21,789,033.60x = 634,068,930,986,818.50
  5. Step 5: Solve for x
    x = 634,068,930,986,818.50/21,789,033.60
  6. Step 6: Final answer
    x = 29,100,369.60

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Double scale
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Similar ratio
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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.