Finding the Fourth Proportional to 12,130,647.36, 18,202,268.48 and 4,947,451.20
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Solution
The fourth proportional to 12,130,647.36, 18,202,268.48 and 4,947,451.20 is: 7,423,745.19
Step by Step Solution
- Step 1: Write the proportion equation
12,130,647.36 : 18,202,268.48 = 4,947,451.20 : x - Step 2: Convert to fraction form
12,130,647.36/18,202,268.48 = 4,947,451.20/x - Step 3: Cross multiply
12,130,647.36x = 18,202,268.48 × 4,947,451.20 - Step 4: Simplify right side
12,130,647.36x = 90,054,835,034,098.19 - Step 5: Solve for x
x = 90,054,835,034,098.19/12,130,647.36 - Step 6: Final answer
x = 7,423,745.19
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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.