Finding the Fourth Proportional to 8,260,402.42, 11,397,293.70 and 4,953,215.74
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Solution
The fourth proportional to 8,260,402.42, 11,397,293.70 and 4,953,215.74 is: 6,834,201.49
Step by Step Solution
- Step 1: Write the proportion equation
8,260,402.42 : 11,397,293.70 = 4,953,215.74 : x - Step 2: Convert to fraction form
8,260,402.42/11,397,293.70 = 4,953,215.74/x - Step 3: Cross multiply
8,260,402.42x = 11,397,293.70 × 4,953,215.74 - Step 4: Simplify right side
8,260,402.42x = 56,453,254,548,242.84 - Step 5: Solve for x
x = 56,453,254,548,242.84/8,260,402.42 - Step 6: Final answer
x = 6,834,201.49
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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.