Finding the Fourth Proportional to 11,017,420.68, 15,202,833.24 and 6,370,502.52
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Solution
The fourth proportional to 11,017,420.68, 15,202,833.24 and 6,370,502.52 is: 8,790,595.39
Step by Step Solution
- Step 1: Write the proportion equation
11,017,420.68 : 15,202,833.24 = 6,370,502.52 : x - Step 2: Convert to fraction form
11,017,420.68/15,202,833.24 = 6,370,502.52/x - Step 3: Cross multiply
11,017,420.68x = 15,202,833.24 × 6,370,502.52 - Step 4: Simplify right side
11,017,420.68x = 96,849,687,466,559.77 - Step 5: Solve for x
x = 96,849,687,466,559.77/11,017,420.68 - Step 6: Final answer
x = 8,790,595.39
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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.