Home / 30,242,702.40-45,372,840.48-9,771,993.60

Finding the Fourth Proportional to 30,242,702.40, 45,372,840.48 and 9,771,993.60

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Solution

The fourth proportional to 30,242,702.40, 45,372,840.48 and 9,771,993.60 is: 14,660,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242,702.40 : 45,372,840.48 = 9,771,993.60 : x
  2. Step 2: Convert to fraction form
    30,242,702.40/45,372,840.48 = 9,771,993.60/x
  3. Step 3: Cross multiply
    30,242,702.40x = 45,372,840.48 × 9,771,993.60
  4. Step 4: Simplify right side
    30,242,702.40x = 443,383,106,784,380.88
  5. Step 5: Solve for x
    x = 443,383,106,784,380.88/30,242,702.40
  6. Step 6: Final answer
    x = 14,660,829.61

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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.