Finding the Fourth Proportional to 18,482,454.68, 27,717,785.91 and 6,348,992.31
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Solution
The fourth proportional to 18,482,454.68, 27,717,785.91 and 6,348,992.31 is: 9,521,463.07
Step by Step Solution
- Step 1: Write the proportion equation
18,482,454.68 : 27,717,785.91 = 6,348,992.31 : x - Step 2: Convert to fraction form
18,482,454.68/27,717,785.91 = 6,348,992.31/x - Step 3: Cross multiply
18,482,454.68x = 27,717,785.91 × 6,348,992.31 - Step 4: Simplify right side
18,482,454.68x = 175,980,009,592,816.34 - Step 5: Solve for x
x = 175,980,009,592,816.34/18,482,454.68 - Step 6: Final answer
x = 9,521,463.07
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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.