Finding the Fourth Proportional to 50,490,448.02, 69,679,940.76 and 27,858,710.08
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Solution
The fourth proportional to 50,490,448.02, 69,679,940.76 and 27,858,710.08 is: 38,446,742.78
Step by Step Solution
- Step 1: Write the proportion equation
50,490,448.02 : 69,679,940.76 = 27,858,710.08 : x - Step 2: Convert to fraction form
50,490,448.02/69,679,940.76 = 27,858,710.08/x - Step 3: Cross multiply
50,490,448.02x = 69,679,940.76 × 27,858,710.08 - Step 4: Simplify right side
50,490,448.02x = 1,941,193,268,024,415 - Step 5: Solve for x
x = 1,941,193,268,024,415/50,490,448.02 - Step 6: Final answer
x = 38,446,742.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.