Finding the Fourth Proportional to 19,007,822.76, 26,221,139.76 and 12,026,736.26
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Solution
The fourth proportional to 19,007,822.76, 26,221,139.76 and 12,026,736.26 is: 16,590,786.66
Step by Step Solution
- Step 1: Write the proportion equation
19,007,822.76 : 26,221,139.76 = 12,026,736.26 : x - Step 2: Convert to fraction form
19,007,822.76/26,221,139.76 = 12,026,736.26/x - Step 3: Cross multiply
19,007,822.76x = 26,221,139.76 × 12,026,736.26 - Step 4: Simplify right side
19,007,822.76x = 315,354,732,330,119.69 - Step 5: Solve for x
x = 315,354,732,330,119.69/19,007,822.76 - Step 6: Final answer
x = 16,590,786.66
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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.