Finding the Fourth Proportional to 10,515,287.68, 14,497,948.48 and 8,775,459.52
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Solution
The fourth proportional to 10,515,287.68, 14,497,948.48 and 8,775,459.52 is: 12,099,161.13
Step by Step Solution
- Step 1: Write the proportion equation
10,515,287.68 : 14,497,948.48 = 8,775,459.52 : x - Step 2: Convert to fraction form
10,515,287.68/14,497,948.48 = 8,775,459.52/x - Step 3: Cross multiply
10,515,287.68x = 14,497,948.48 × 8,775,459.52 - Step 4: Simplify right side
10,515,287.68x = 127,226,160,009,285.53 - Step 5: Solve for x
x = 127,226,160,009,285.53/10,515,287.68 - Step 6: Final answer
x = 12,099,161.13
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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.