Finding the Fourth Proportional to 19,958,864.40, 29,938,296.60 and 5,583,057.30
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Solution
The fourth proportional to 19,958,864.40, 29,938,296.60 and 5,583,057.30 is: 8,374,585.95
Step by Step Solution
- Step 1: Write the proportion equation
19,958,864.40 : 29,938,296.60 = 5,583,057.30 : x - Step 2: Convert to fraction form
19,958,864.40/29,938,296.60 = 5,583,057.30/x - Step 3: Cross multiply
19,958,864.40x = 29,938,296.60 × 5,583,057.30 - Step 4: Simplify right side
19,958,864.40x = 167,147,225,382,195.19 - Step 5: Solve for x
x = 167,147,225,382,195.19/19,958,864.40 - Step 6: Final answer
x = 8,374,585.95
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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.