Finding the Fourth Proportional to 39,053,685.60, 58,583,716.29 and 19,612,913.40
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Solution
The fourth proportional to 39,053,685.60, 58,583,716.29 and 19,612,913.40 is: 29,420,971.07
Step by Step Solution
- Step 1: Write the proportion equation
39,053,685.60 : 58,583,716.29 = 19,612,913.40 : x - Step 2: Convert to fraction form
39,053,685.60/58,583,716.29 = 19,612,913.40/x - Step 3: Cross multiply
39,053,685.60x = 58,583,716.29 × 19,612,913.40 - Step 4: Simplify right side
39,053,685.60x = 1,148,997,354,245,939.25 - Step 5: Solve for x
x = 1,148,997,354,245,939.25/39,053,685.60 - Step 6: Final answer
x = 29,420,971.07
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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.