Finding the Fourth Proportional to 10,553,021.12, 14,543,265.78 and 8,457,483.26
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Solution
The fourth proportional to 10,553,021.12, 14,543,265.78 and 8,457,483.26 is: 11,655,375.79
Step by Step Solution
- Step 1: Write the proportion equation
10,553,021.12 : 14,543,265.78 = 8,457,483.26 : x - Step 2: Convert to fraction form
10,553,021.12/14,543,265.78 = 8,457,483.26/x - Step 3: Cross multiply
10,553,021.12x = 14,543,265.78 × 8,457,483.26 - Step 4: Simplify right side
10,553,021.12x = 122,999,426,880,080.83 - Step 5: Solve for x
x = 122,999,426,880,080.83/10,553,021.12 - Step 6: Final answer
x = 11,655,375.79
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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.