Home / 43,747,331.60-65,630,328.60-13,458,256.40

Finding the Fourth Proportional to 43,747,331.60, 65,630,328.60 and 13,458,256.40

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Solution

The fourth proportional to 43,747,331.60, 65,630,328.60 and 13,458,256.40 is: 20,190,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,747,331.60 : 65,630,328.60 = 13,458,256.40 : x
  2. Step 2: Convert to fraction form
    43,747,331.60/65,630,328.60 = 13,458,256.40/x
  3. Step 3: Cross multiply
    43,747,331.60x = 65,630,328.60 × 13,458,256.40
  4. Step 4: Simplify right side
    43,747,331.60x = 883,269,789,915,053.12
  5. Step 5: Solve for x
    x = 883,269,789,915,053.12/43,747,331.60
  6. Step 6: Final answer
    x = 20,190,255.21

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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.