Finding the Fourth Proportional to 30,690,424.09, 46,055,237.13 and 14,517,329.46
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Solution
The fourth proportional to 30,690,424.09, 46,055,237.13 and 14,517,329.46 is: 21,785,265.95
Step by Step Solution
- Step 1: Write the proportion equation
30,690,424.09 : 46,055,237.13 = 14,517,329.46 : x - Step 2: Convert to fraction form
30,690,424.09/46,055,237.13 = 14,517,329.46/x - Step 3: Cross multiply
30,690,424.09x = 46,055,237.13 × 14,517,329.46 - Step 4: Simplify right side
30,690,424.09x = 668,599,050,774,634.88 - Step 5: Solve for x
x = 668,599,050,774,634.88/30,690,424.09 - Step 6: Final answer
x = 21,785,265.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.