Finding the Fourth Proportional to 18,169,166.02, 27,261,019.59 and 7,387,295.62
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Solution
The fourth proportional to 18,169,166.02, 27,261,019.59 and 7,387,295.62 is: 11,083,899.52
Step by Step Solution
- Step 1: Write the proportion equation
18,169,166.02 : 27,261,019.59 = 7,387,295.62 : x - Step 2: Convert to fraction form
18,169,166.02/27,261,019.59 = 7,387,295.62/x - Step 3: Cross multiply
18,169,166.02x = 27,261,019.59 × 7,387,295.62 - Step 4: Simplify right side
18,169,166.02x = 201,385,210,613,941.19 - Step 5: Solve for x
x = 201,385,210,613,941.19/18,169,166.02 - Step 6: Final answer
x = 11,083,899.52
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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.