Finding the Fourth Proportional to 7,019,904.96, 10,531,432.08 and 2,227,750.56
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Solution
The fourth proportional to 7,019,904.96, 10,531,432.08 and 2,227,750.56 is: 3,342,125.55
Step by Step Solution
- Step 1: Write the proportion equation
7,019,904.96 : 10,531,432.08 = 2,227,750.56 : x - Step 2: Convert to fraction form
7,019,904.96/10,531,432.08 = 2,227,750.56/x - Step 3: Cross multiply
7,019,904.96x = 10,531,432.08 × 2,227,750.56 - Step 4: Simplify right side
7,019,904.96x = 23,461,403,713,821.96 - Step 5: Solve for x
x = 23,461,403,713,821.96/7,019,904.96 - Step 6: Final answer
x = 3,342,125.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.