Finding the Fourth Proportional to 7,232,088.23, 9,979,622.09 and 4,291,398.52
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Solution
The fourth proportional to 7,232,088.23, 9,979,622.09 and 4,291,398.52 is: 5,921,738.52
Step by Step Solution
- Step 1: Write the proportion equation
7,232,088.23 : 9,979,622.09 = 4,291,398.52 : x - Step 2: Convert to fraction form
7,232,088.23/9,979,622.09 = 4,291,398.52/x - Step 3: Cross multiply
7,232,088.23x = 9,979,622.09 × 4,291,398.52 - Step 4: Simplify right side
7,232,088.23x = 42,826,535,420,779.27 - Step 5: Solve for x
x = 42,826,535,420,779.27/7,232,088.23 - Step 6: Final answer
x = 5,921,738.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.