Finding the Fourth Proportional to 8,797,240.86, 12,139,995.11 and 5,125,928.82
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Solution
The fourth proportional to 8,797,240.86, 12,139,995.11 and 5,125,928.82 is: 7,073,666.82
Step by Step Solution
- Step 1: Write the proportion equation
8,797,240.86 : 12,139,995.11 = 5,125,928.82 : x - Step 2: Convert to fraction form
8,797,240.86/12,139,995.11 = 5,125,928.82/x - Step 3: Cross multiply
8,797,240.86x = 12,139,995.11 × 5,125,928.82 - Step 4: Simplify right side
8,797,240.86x = 62,228,750,809,008.07 - Step 5: Solve for x
x = 62,228,750,809,008.07/8,797,240.86 - Step 6: Final answer
x = 7,073,666.82
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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.