Finding the Fourth Proportional to 11,136,969.28, 15,369,440.07 and 6,242,281.84
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Solution
The fourth proportional to 11,136,969.28, 15,369,440.07 and 6,242,281.84 is: 8,614,585.73
Step by Step Solution
- Step 1: Write the proportion equation
11,136,969.28 : 15,369,440.07 = 6,242,281.84 : x - Step 2: Convert to fraction form
11,136,969.28/15,369,440.07 = 6,242,281.84/x - Step 3: Cross multiply
11,136,969.28x = 15,369,440.07 × 6,242,281.84 - Step 4: Simplify right side
11,136,969.28x = 95,940,376,639,929.33 - Step 5: Solve for x
x = 95,940,376,639,929.33/11,136,969.28 - Step 6: Final answer
x = 8,614,585.73
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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.