Finding the Fourth Proportional to 8,219,937.92, 11,343,536.38 and 4,549,107.62
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Solution
The fourth proportional to 8,219,937.92, 11,343,536.38 and 4,549,107.62 is: 6,277,780.73
Step by Step Solution
- Step 1: Write the proportion equation
8,219,937.92 : 11,343,536.38 = 4,549,107.62 : x - Step 2: Convert to fraction form
8,219,937.92/11,343,536.38 = 4,549,107.62/x - Step 3: Cross multiply
8,219,937.92x = 11,343,536.38 × 4,549,107.62 - Step 4: Simplify right side
8,219,937.92x = 51,602,967,830,847.08 - Step 5: Solve for x
x = 51,602,967,830,847.08/8,219,937.92 - Step 6: Final answer
x = 6,277,780.73
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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.