Home / 28,771,845.60-43,157,768.40-18,022,303.20

Finding the Fourth Proportional to 28,771,845.60, 43,157,768.40 and 18,022,303.20

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Solution

The fourth proportional to 28,771,845.60, 43,157,768.40 and 18,022,303.20 is: 27,033,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771,845.60 : 43,157,768.40 = 18,022,303.20 : x
  2. Step 2: Convert to fraction form
    28,771,845.60/43,157,768.40 = 18,022,303.20/x
  3. Step 3: Cross multiply
    28,771,845.60x = 43,157,768.40 × 18,022,303.20
  4. Step 4: Simplify right side
    28,771,845.60x = 777,802,387,540,178.88
  5. Step 5: Solve for x
    x = 777,802,387,540,178.88/28,771,845.60
  6. Step 6: Final answer
    x = 27,033,454.80

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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.