Finding the Fourth Proportional to 28,999,396.80, 43,497,712.80 and 9,828,273.60
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Solution
The fourth proportional to 28,999,396.80, 43,497,712.80 and 9,828,273.60 is: 14,741,941.89
Step by Step Solution
- Step 1: Write the proportion equation
28,999,396.80 : 43,497,712.80 = 9,828,273.60 : x - Step 2: Convert to fraction form
28,999,396.80/43,497,712.80 = 9,828,273.60/x - Step 3: Cross multiply
28,999,396.80x = 43,497,712.80 × 9,828,273.60 - Step 4: Simplify right side
28,999,396.80x = 427,507,422,372,622.06 - Step 5: Solve for x
x = 427,507,422,372,622.06/28,999,396.80 - Step 6: Final answer
x = 14,741,941.89
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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.