Finding the Fourth Proportional to 10,103,485.54, 15,153,402.56 and 2,913,251.62
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Solution
The fourth proportional to 10,103,485.54, 15,153,402.56 and 2,913,251.62 is: 4,369,350.99
Step by Step Solution
- Step 1: Write the proportion equation
10,103,485.54 : 15,153,402.56 = 2,913,251.62 : x - Step 2: Convert to fraction form
10,103,485.54/15,153,402.56 = 2,913,251.62/x - Step 3: Cross multiply
10,103,485.54x = 15,153,402.56 × 2,913,251.62 - Step 4: Simplify right side
10,103,485.54x = 44,145,674,556,432.15 - Step 5: Solve for x
x = 44,145,674,556,432.15/10,103,485.54 - Step 6: Final answer
x = 4,369,350.99
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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.