Finding the Fourth Proportional to 19,928,974.84, 27,502,069.26 and 11,227,251.76
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Solution
The fourth proportional to 19,928,974.84, 27,502,069.26 and 11,227,251.76 is: 15,493,654.74
Step by Step Solution
- Step 1: Write the proportion equation
19,928,974.84 : 27,502,069.26 = 11,227,251.76 : x - Step 2: Convert to fraction form
19,928,974.84/27,502,069.26 = 11,227,251.76/x - Step 3: Cross multiply
19,928,974.84x = 27,502,069.26 × 11,227,251.76 - Step 4: Simplify right side
19,928,974.84x = 308,772,655,502,976.94 - Step 5: Solve for x
x = 308,772,655,502,976.94/19,928,974.84 - Step 6: Final answer
x = 15,493,654.74
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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.