Finding the Fourth Proportional to 11,436,717.19, 15,782,943.95 and 6,209,945.65
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Solution
The fourth proportional to 11,436,717.19, 15,782,943.95 and 6,209,945.65 is: 8,569,873.90
Step by Step Solution
- Step 1: Write the proportion equation
11,436,717.19 : 15,782,943.95 = 6,209,945.65 : x - Step 2: Convert to fraction form
11,436,717.19/15,782,943.95 = 6,209,945.65/x - Step 3: Cross multiply
11,436,717.19x = 15,782,943.95 × 6,209,945.65 - Step 4: Simplify right side
11,436,717.19x = 98,011,224,173,393.52 - Step 5: Solve for x
x = 98,011,224,173,393.52/11,436,717.19 - Step 6: Final answer
x = 8,569,873.90
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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.