Finding the Fourth Proportional to 11,690,442.99, 16,122,328.43 and 9,736,807.23
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Solution
The fourth proportional to 11,690,442.99, 16,122,328.43 and 9,736,807.23 is: 13,428,062.91
Step by Step Solution
- Step 1: Write the proportion equation
11,690,442.99 : 16,122,328.43 = 9,736,807.23 : x - Step 2: Convert to fraction form
11,690,442.99/16,122,328.43 = 9,736,807.23/x - Step 3: Cross multiply
11,690,442.99x = 16,122,328.43 × 9,736,807.23 - Step 4: Simplify right side
11,690,442.99x = 156,980,003,972,974.53 - Step 5: Solve for x
x = 156,980,003,972,974.53/11,690,442.99 - Step 6: Final answer
x = 13,428,062.91
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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.