Finding the Fourth Proportional to 19,902,207.34, 27,460,501.66 and 11,197,203.76
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Solution
The fourth proportional to 19,902,207.34, 27,460,501.66 and 11,197,203.76 is: 15,449,584.42
Step by Step Solution
- Step 1: Write the proportion equation
19,902,207.34 : 27,460,501.66 = 11,197,203.76 : x - Step 2: Convert to fraction form
19,902,207.34/27,460,501.66 = 11,197,203.76/x - Step 3: Cross multiply
19,902,207.34x = 27,460,501.66 × 11,197,203.76 - Step 4: Simplify right side
19,902,207.34x = 307,480,832,441,400.56 - Step 5: Solve for x
x = 307,480,832,441,400.56/19,902,207.34 - Step 6: Final answer
x = 15,449,584.42
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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.