Finding the Fourth Proportional to 10,926,081.60, 16,391,090.70 and 4,536,979.80
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Solution
The fourth proportional to 10,926,081.60, 16,391,090.70 and 4,536,979.80 is: 6,806,287.02
Step by Step Solution
- Step 1: Write the proportion equation
10,926,081.60 : 16,391,090.70 = 4,536,979.80 : x - Step 2: Convert to fraction form
10,926,081.60/16,391,090.70 = 4,536,979.80/x - Step 3: Cross multiply
10,926,081.60x = 16,391,090.70 × 4,536,979.80 - Step 4: Simplify right side
10,926,081.60x = 74,366,047,405,867.86 - Step 5: Solve for x
x = 74,366,047,405,867.86/10,926,081.60 - Step 6: Final answer
x = 6,806,287.02
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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.