Finding the Fourth Proportional to 18,490,439.03, 27,728,867.88 and 6,356,460.02
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Solution
The fourth proportional to 18,490,439.03, 27,728,867.88 and 6,356,460.02 is: 9,532,355.60
Step by Step Solution
- Step 1: Write the proportion equation
18,490,439.03 : 27,728,867.88 = 6,356,460.02 : x - Step 2: Convert to fraction form
18,490,439.03/27,728,867.88 = 6,356,460.02/x - Step 3: Cross multiply
18,490,439.03x = 27,728,867.88 × 6,356,460.02 - Step 4: Simplify right side
18,490,439.03x = 176,257,439,940,437.81 - Step 5: Solve for x
x = 176,257,439,940,437.81/18,490,439.03 - Step 6: Final answer
x = 9,532,355.60
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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.