Finding the Fourth Proportional to 19,948,569.44, 29,922,854.23 and 15,406,243.64
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Solution
The fourth proportional to 19,948,569.44, 29,922,854.23 and 15,406,243.64 is: 23,109,365.51
Step by Step Solution
- Step 1: Write the proportion equation
19,948,569.44 : 29,922,854.23 = 15,406,243.64 : x - Step 2: Convert to fraction form
19,948,569.44/29,922,854.23 = 15,406,243.64/x - Step 3: Cross multiply
19,948,569.44x = 29,922,854.23 × 15,406,243.64 - Step 4: Simplify right side
19,948,569.44x = 460,998,782,671,584.62 - Step 5: Solve for x
x = 460,998,782,671,584.62/19,948,569.44 - Step 6: Final answer
x = 23,109,365.51
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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.