Finding the Fourth Proportional to 45,350,835.12, 68,012,299.62 and 12,994,068.06
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Solution
The fourth proportional to 45,350,835.12, 68,012,299.62 and 12,994,068.06 is: 19,487,104.21
Step by Step Solution
- Step 1: Write the proportion equation
45,350,835.12 : 68,012,299.62 = 12,994,068.06 : x - Step 2: Convert to fraction form
45,350,835.12/68,012,299.62 = 12,994,068.06/x - Step 3: Cross multiply
45,350,835.12x = 68,012,299.62 × 12,994,068.06 - Step 4: Simplify right side
45,350,835.12x = 883,756,450,179,392.25 - Step 5: Solve for x
x = 883,756,450,179,392.25/45,350,835.12 - Step 6: Final answer
x = 19,487,104.21
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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.