Finding the Fourth Proportional to 21,979,416.02, 32,974,146.83 and 7,602,471.68
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Solution
The fourth proportional to 21,979,416.02, 32,974,146.83 and 7,602,471.68 is: 11,405,444.85
Step by Step Solution
- Step 1: Write the proportion equation
21,979,416.02 : 32,974,146.83 = 7,602,471.68 : x - Step 2: Convert to fraction form
21,979,416.02/32,974,146.83 = 7,602,471.68/x - Step 3: Cross multiply
21,979,416.02x = 32,974,146.83 × 7,602,471.68 - Step 4: Simplify right side
21,979,416.02x = 250,685,017,301,372.22 - Step 5: Solve for x
x = 250,685,017,301,372.22/21,979,416.02 - Step 6: Final answer
x = 11,405,444.85
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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.