Finding the Fourth Proportional to 9,855,235.20, 14,774,558.40 and 5,127,427.20
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Solution
The fourth proportional to 9,855,235.20, 14,774,558.40 and 5,127,427.20 is: 7,686,825.44
Step by Step Solution
- Step 1: Write the proportion equation
9,855,235.20 : 14,774,558.40 = 5,127,427.20 : x - Step 2: Convert to fraction form
9,855,235.20/14,774,558.40 = 5,127,427.20/x - Step 3: Cross multiply
9,855,235.20x = 14,774,558.40 × 5,127,427.20 - Step 4: Simplify right side
9,855,235.20x = 75,755,472,608,148.48 - Step 5: Solve for x
x = 75,755,472,608,148.48/9,855,235.20 - Step 6: Final answer
x = 7,686,825.44
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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.