Finding the Fourth Proportional to 12,653,994.70, 18,984,228.81 and 3,678,546.70
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Solution
The fourth proportional to 12,653,994.70, 18,984,228.81 and 3,678,546.70 is: 5,518,760.99
Step by Step Solution
- Step 1: Write the proportion equation
12,653,994.70 : 18,984,228.81 = 3,678,546.70 : x - Step 2: Convert to fraction form
12,653,994.70/18,984,228.81 = 3,678,546.70/x - Step 3: Cross multiply
12,653,994.70x = 18,984,228.81 × 3,678,546.70 - Step 4: Simplify right side
12,653,994.70x = 69,834,372,317,641.17 - Step 5: Solve for x
x = 69,834,372,317,641.17/12,653,994.70 - Step 6: Final answer
x = 5,518,760.99
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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.