Finding the Fourth Proportional to 8,428,460.76, 11,631,306.48 and 4,560,981.48
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Solution
The fourth proportional to 8,428,460.76, 11,631,306.48 and 4,560,981.48 is: 6,294,171.02
Step by Step Solution
- Step 1: Write the proportion equation
8,428,460.76 : 11,631,306.48 = 4,560,981.48 : x - Step 2: Convert to fraction form
8,428,460.76/11,631,306.48 = 4,560,981.48/x - Step 3: Cross multiply
8,428,460.76x = 11,631,306.48 × 4,560,981.48 - Step 4: Simplify right side
8,428,460.76x = 53,050,173,443,484 - Step 5: Solve for x
x = 53,050,173,443,484/8,428,460.76 - Step 6: Final answer
x = 6,294,171.02
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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.