Finding the Fourth Proportional to 19,605,684.66, 29,403,532.35 and 13,901,994.06
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Solution
The fourth proportional to 19,605,684.66, 29,403,532.35 and 13,901,994.06 is: 20,849,449.49
Step by Step Solution
- Step 1: Write the proportion equation
19,605,684.66 : 29,403,532.35 = 13,901,994.06 : x - Step 2: Convert to fraction form
19,605,684.66/29,403,532.35 = 13,901,994.06/x - Step 3: Cross multiply
19,605,684.66x = 29,403,532.35 × 13,901,994.06 - Step 4: Simplify right side
19,605,684.66x = 408,767,732,072,717.88 - Step 5: Solve for x
x = 408,767,732,072,717.88/19,605,684.66 - Step 6: Final answer
x = 20,849,449.49
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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.