Finding the Fourth Proportional to 19,679,733.60, 29,528,125.20 and 10,571,202.96
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Solution
The fourth proportional to 19,679,733.60, 29,528,125.20 and 10,571,202.96 is: 15,861,383.64
Step by Step Solution
- Step 1: Write the proportion equation
19,679,733.60 : 29,528,125.20 = 10,571,202.96 : x - Step 2: Convert to fraction form
19,679,733.60/29,528,125.20 = 10,571,202.96/x - Step 3: Cross multiply
19,679,733.60x = 29,528,125.20 × 10,571,202.96 - Step 4: Simplify right side
19,679,733.60x = 312,147,804,517,490.62 - Step 5: Solve for x
x = 312,147,804,517,490.62/19,679,733.60 - Step 6: Final answer
x = 15,861,383.64
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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.