Finding the Fourth Proportional to 9,994,072.68, 14,984,810.46 and 8,478,287.28
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Solution
The fourth proportional to 9,994,072.68, 14,984,810.46 and 8,478,287.28 is: 12,712,087.65
Step by Step Solution
- Step 1: Write the proportion equation
9,994,072.68 : 14,984,810.46 = 8,478,287.28 : x - Step 2: Convert to fraction form
9,994,072.68/14,984,810.46 = 8,478,287.28/x - Step 3: Cross multiply
9,994,072.68x = 14,984,810.46 × 8,478,287.28 - Step 4: Simplify right side
9,994,072.68x = 127,045,527,916,228.95 - Step 5: Solve for x
x = 127,045,527,916,228.95/9,994,072.68 - Step 6: Final answer
x = 12,712,087.65
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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.