Finding the Fourth Proportional to 27,732,664.36, 38,270,946.18 and 15,509,569.96
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Solution
The fourth proportional to 27,732,664.36, 38,270,946.18 and 15,509,569.96 is: 21,403,133.49
Step by Step Solution
- Step 1: Write the proportion equation
27,732,664.36 : 38,270,946.18 = 15,509,569.96 : x - Step 2: Convert to fraction form
27,732,664.36/38,270,946.18 = 15,509,569.96/x - Step 3: Cross multiply
27,732,664.36x = 38,270,946.18 × 15,509,569.96 - Step 4: Simplify right side
27,732,664.36x = 593,565,917,214,104.75 - Step 5: Solve for x
x = 593,565,917,214,104.75/27,732,664.36 - Step 6: Final answer
x = 21,403,133.49
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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.