Home / 28,980,090.60-43,470,135.90-13,863,546.60

Finding the Fourth Proportional to 28,980,090.60, 43,470,135.90 and 13,863,546.60

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Solution

The fourth proportional to 28,980,090.60, 43,470,135.90 and 13,863,546.60 is: 20,795,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980,090.60 : 43,470,135.90 = 13,863,546.60 : x
  2. Step 2: Convert to fraction form
    28,980,090.60/43,470,135.90 = 13,863,546.60/x
  3. Step 3: Cross multiply
    28,980,090.60x = 43,470,135.90 × 13,863,546.60
  4. Step 4: Simplify right side
    28,980,090.60x = 602,650,254,757,982.88
  5. Step 5: Solve for x
    x = 602,650,254,757,982.88/28,980,090.60
  6. Step 6: Final answer
    x = 20,795,319.90

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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.