Finding the Fourth Proportional to 18,192,765.60, 27,303,409.80 and 12,692,089.08
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Solution
The fourth proportional to 18,192,765.60, 27,303,409.80 and 12,692,089.08 is: 19,048,083.01
Step by Step Solution
- Step 1: Write the proportion equation
18,192,765.60 : 27,303,409.80 = 12,692,089.08 : x - Step 2: Convert to fraction form
18,192,765.60/27,303,409.80 = 12,692,089.08/x - Step 3: Cross multiply
18,192,765.60x = 27,303,409.80 × 12,692,089.08 - Step 4: Simplify right side
18,192,765.60x = 346,537,309,369,345 - Step 5: Solve for x
x = 346,537,309,369,345/18,192,765.60 - Step 6: Final answer
x = 19,048,083.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.