Finding the Fourth Proportional to 19,945,006.48, 27,519,420.84 and 12,104,345.12
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Solution
The fourth proportional to 19,945,006.48, 27,519,420.84 and 12,104,345.12 is: 16,701,151.12
Step by Step Solution
- Step 1: Write the proportion equation
19,945,006.48 : 27,519,420.84 = 12,104,345.12 : x - Step 2: Convert to fraction form
19,945,006.48/27,519,420.84 = 12,104,345.12/x - Step 3: Cross multiply
19,945,006.48x = 27,519,420.84 × 12,104,345.12 - Step 4: Simplify right side
19,945,006.48x = 333,104,567,349,880.25 - Step 5: Solve for x
x = 333,104,567,349,880.25/19,945,006.48 - Step 6: Final answer
x = 16,701,151.12
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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.