Finding the Fourth Proportional to 19,067,542.08, 26,288,509.68 and 12,349,922.10
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Solution
The fourth proportional to 19,067,542.08, 26,288,509.68 and 12,349,922.10 is: 17,026,895.51
Step by Step Solution
- Step 1: Write the proportion equation
19,067,542.08 : 26,288,509.68 = 12,349,922.10 : x - Step 2: Convert to fraction form
19,067,542.08/26,288,509.68 = 12,349,922.10/x - Step 3: Cross multiply
19,067,542.08x = 26,288,509.68 × 12,349,922.10 - Step 4: Simplify right side
19,067,542.08x = 324,661,046,673,095.94 - Step 5: Solve for x
x = 324,661,046,673,095.94/19,067,542.08 - Step 6: Final answer
x = 17,026,895.51
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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.