Home / 40,860,273.60-61,290,410.40-18,117,028.80

Finding the Fourth Proportional to 40,860,273.60, 61,290,410.40 and 18,117,028.80

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Solution

The fourth proportional to 40,860,273.60, 61,290,410.40 and 18,117,028.80 is: 27,175,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,860,273.60 : 61,290,410.40 = 18,117,028.80 : x
  2. Step 2: Convert to fraction form
    40,860,273.60/61,290,410.40 = 18,117,028.80/x
  3. Step 3: Cross multiply
    40,860,273.60x = 61,290,410.40 × 18,117,028.80
  4. Step 4: Simplify right side
    40,860,273.60x = 1,110,400,130,380,619.50
  5. Step 5: Solve for x
    x = 1,110,400,130,380,619.50/40,860,273.60
  6. Step 6: Final answer
    x = 27,175,543.20

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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.