Finding the Fourth Proportional to 46,335,079.40, 69,535,796.70 and 19,428,045.80
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Solution
The fourth proportional to 46,335,079.40, 69,535,796.70 and 19,428,045.80 is: 29,155,979.89
Step by Step Solution
- Step 1: Write the proportion equation
46,335,079.40 : 69,535,796.70 = 19,428,045.80 : x - Step 2: Convert to fraction form
46,335,079.40/69,535,796.70 = 19,428,045.80/x - Step 3: Cross multiply
46,335,079.40x = 69,535,796.70 × 19,428,045.80 - Step 4: Simplify right side
46,335,079.40x = 1,350,944,643,027,089 - Step 5: Solve for x
x = 1,350,944,643,027,089/46,335,079.40 - Step 6: Final answer
x = 29,155,979.89
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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.