Finding the Fourth Proportional to 11,486,369.70, 15,850,984.91 and 6,259,423.28
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Solution
The fourth proportional to 11,486,369.70, 15,850,984.91 and 6,259,423.28 is: 8,637,892.25
Step by Step Solution
- Step 1: Write the proportion equation
11,486,369.70 : 15,850,984.91 = 6,259,423.28 : x - Step 2: Convert to fraction form
11,486,369.70/15,850,984.91 = 6,259,423.28/x - Step 3: Cross multiply
11,486,369.70x = 15,850,984.91 × 6,259,423.28 - Step 4: Simplify right side
11,486,369.70x = 99,218,023,846,030.67 - Step 5: Solve for x
x = 99,218,023,846,030.67/11,486,369.70 - Step 6: Final answer
x = 8,637,892.25
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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.