Finding the Fourth Proportional to 19,546,576.02, 29,161,151.57 and 18,488,417.94
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Solution
The fourth proportional to 19,546,576.02, 29,161,151.57 and 18,488,417.94 is: 27,582,506.39
Step by Step Solution
- Step 1: Write the proportion equation
19,546,576.02 : 29,161,151.57 = 18,488,417.94 : x - Step 2: Convert to fraction form
19,546,576.02/29,161,151.57 = 18,488,417.94/x - Step 3: Cross multiply
19,546,576.02x = 29,161,151.57 × 18,488,417.94 - Step 4: Simplify right side
19,546,576.02x = 539,143,557,884,068.25 - Step 5: Solve for x
x = 539,143,557,884,068.25/19,546,576.02 - Step 6: Final answer
x = 27,582,506.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.