Home / 7,442,420.40-11,163,630.60-7,342,887.60

Finding the Fourth Proportional to 7,442,420.40, 11,163,630.60 and 7,342,887.60

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Solution

The fourth proportional to 7,442,420.40, 11,163,630.60 and 7,342,887.60 is: 11,014,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442,420.40 : 11,163,630.60 = 7,342,887.60 : x
  2. Step 2: Convert to fraction form
    7,442,420.40/11,163,630.60 = 7,342,887.60/x
  3. Step 3: Cross multiply
    7,442,420.40x = 11,163,630.60 × 7,342,887.60
  4. Step 4: Simplify right side
    7,442,420.40x = 81,973,284,703,720.55
  5. Step 5: Solve for x
    x = 81,973,284,703,720.55/7,442,420.40
  6. Step 6: Final answer
    x = 11,014,331.40

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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.