Finding the Fourth Proportional to 14,221,332.68, 19,618,208.93 and 8,638,093.44
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Solution
The fourth proportional to 14,221,332.68, 19,618,208.93 and 8,638,093.44 is: 11,916,177.32
Step by Step Solution
- Step 1: Write the proportion equation
14,221,332.68 : 19,618,208.93 = 8,638,093.44 : x - Step 2: Convert to fraction form
14,221,332.68/19,618,208.93 = 8,638,093.44/x - Step 3: Cross multiply
14,221,332.68x = 19,618,208.93 × 8,638,093.44 - Step 4: Simplify right side
14,221,332.68x = 169,463,921,884,377.66 - Step 5: Solve for x
x = 169,463,921,884,377.66/14,221,332.68 - Step 6: Final answer
x = 11,916,177.32
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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.