Finding the Fourth Proportional to 11,478,762.42, 15,840,372.74 and 6,251,655.94
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Solution
The fourth proportional to 11,478,762.42, 15,840,372.74 and 6,251,655.94 is: 8,627,111.24
Step by Step Solution
- Step 1: Write the proportion equation
11,478,762.42 : 15,840,372.74 = 6,251,655.94 : x - Step 2: Convert to fraction form
11,478,762.42/15,840,372.74 = 6,251,655.94/x - Step 3: Cross multiply
11,478,762.42x = 15,840,372.74 × 6,251,655.94 - Step 4: Simplify right side
11,478,762.42x = 99,028,560,331,835.08 - Step 5: Solve for x
x = 99,028,560,331,835.08/11,478,762.42 - Step 6: Final answer
x = 8,627,111.24
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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.