Finding the Fourth Proportional to 29,546,947.53, 40,479,129.14 and 28,442,030.99
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Solution
The fourth proportional to 29,546,947.53, 40,479,129.14 and 28,442,030.99 is: 38,965,400.54
Step by Step Solution
- Step 1: Write the proportion equation
29,546,947.53 : 40,479,129.14 = 28,442,030.99 : x - Step 2: Convert to fraction form
29,546,947.53/40,479,129.14 = 28,442,030.99/x - Step 3: Cross multiply
29,546,947.53x = 40,479,129.14 × 28,442,030.99 - Step 4: Simplify right side
29,546,947.53x = 1,151,308,645,103,486.25 - Step 5: Solve for x
x = 1,151,308,645,103,486.25/29,546,947.53 - Step 6: Final answer
x = 38,965,400.54
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.