Finding the Fourth Proportional to 18,073,468.40, 27,110,029.80 and 4,426,674.80
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Solution
The fourth proportional to 18,073,468.40, 27,110,029.80 and 4,426,674.80 is: 6,639,969.88
Step by Step Solution
- Step 1: Write the proportion equation
18,073,468.40 : 27,110,029.80 = 4,426,674.80 : x - Step 2: Convert to fraction form
18,073,468.40/27,110,029.80 = 4,426,674.80/x - Step 3: Cross multiply
18,073,468.40x = 27,110,029.80 × 4,426,674.80 - Step 4: Simplify right side
18,073,468.40x = 120,007,285,742,909.03 - Step 5: Solve for x
x = 120,007,285,742,909.03/18,073,468.40 - Step 6: Final answer
x = 6,639,969.88
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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.