Finding the Fourth Proportional to 13,362,276.24, 18,440,349.78 and 7,854,640.53
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Solution
The fourth proportional to 13,362,276.24, 18,440,349.78 and 7,854,640.53 is: 10,839,644.10
Step by Step Solution
- Step 1: Write the proportion equation
13,362,276.24 : 18,440,349.78 = 7,854,640.53 : x - Step 2: Convert to fraction form
13,362,276.24/18,440,349.78 = 7,854,640.53/x - Step 3: Cross multiply
13,362,276.24x = 18,440,349.78 × 7,854,640.53 - Step 4: Simplify right side
13,362,276.24x = 144,842,318,769,364.59 - Step 5: Solve for x
x = 144,842,318,769,364.59/13,362,276.24 - Step 6: Final answer
x = 10,839,644.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.