Finding the Fourth Proportional to 12,857,353.56, 19,283,812.56 and 3,635,970.12
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Solution
The fourth proportional to 12,857,353.56, 19,283,812.56 and 3,635,970.12 is: 5,453,328.01
Step by Step Solution
- Step 1: Write the proportion equation
12,857,353.56 : 19,283,812.56 = 3,635,970.12 : x - Step 2: Convert to fraction form
12,857,353.56/19,283,812.56 = 3,635,970.12/x - Step 3: Cross multiply
12,857,353.56x = 19,283,812.56 × 3,635,970.12 - Step 4: Simplify right side
12,857,353.56x = 70,115,366,267,840.70 - Step 5: Solve for x
x = 70,115,366,267,840.70/12,857,353.56 - Step 6: Final answer
x = 5,453,328.01
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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.