Home / 18,699,117.60-28,048,676.40-16,683,578.40

Finding the Fourth Proportional to 18,699,117.60, 28,048,676.40 and 16,683,578.40

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Solution

The fourth proportional to 18,699,117.60, 28,048,676.40 and 16,683,578.40 is: 25,025,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699,117.60 : 28,048,676.40 = 16,683,578.40 : x
  2. Step 2: Convert to fraction form
    18,699,117.60/28,048,676.40 = 16,683,578.40/x
  3. Step 3: Cross multiply
    18,699,117.60x = 28,048,676.40 × 16,683,578.40
  4. Step 4: Simplify right side
    18,699,117.60x = 467,952,291,735,629.75
  5. Step 5: Solve for x
    x = 467,952,291,735,629.75/18,699,117.60
  6. Step 6: Final answer
    x = 25,025,367.60

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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.