Finding the Fourth Proportional to 19,914,894.12, 29,877,657.06 and 7,136,690.52
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Solution
The fourth proportional to 19,914,894.12, 29,877,657.06 and 7,136,690.52 is: 10,706,940.78
Step by Step Solution
- Step 1: Write the proportion equation
19,914,894.12 : 29,877,657.06 = 7,136,690.52 : x - Step 2: Convert to fraction form
19,914,894.12/29,877,657.06 = 7,136,690.52/x - Step 3: Cross multiply
19,914,894.12x = 29,877,657.06 × 7,136,690.52 - Step 4: Simplify right side
19,914,894.12x = 213,227,591,899,913.06 - Step 5: Solve for x
x = 213,227,591,899,913.06/19,914,894.12 - Step 6: Final answer
x = 10,706,940.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.