Finding the Fourth Proportional to 12,526,602.32, 18,785,294.84 and 4,327,158.08
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Solution
The fourth proportional to 12,526,602.32, 18,785,294.84 and 4,327,158.08 is: 6,489,145.12
Step by Step Solution
- Step 1: Write the proportion equation
12,526,602.32 : 18,785,294.84 = 4,327,158.08 : x - Step 2: Convert to fraction form
12,526,602.32/18,785,294.84 = 4,327,158.08/x - Step 3: Cross multiply
12,526,602.32x = 18,785,294.84 × 4,327,158.08 - Step 4: Simplify right side
12,526,602.32x = 81,286,940,352,088.31 - Step 5: Solve for x
x = 81,286,940,352,088.31/12,526,602.32 - Step 6: Final answer
x = 6,489,145.12
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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.