Finding the Fourth Proportional to 8,613,784.16, 11,887,551.60 and 4,746,304.28
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Solution
The fourth proportional to 8,613,784.16, 11,887,551.60 and 4,746,304.28 is: 6,550,191.65
Step by Step Solution
- Step 1: Write the proportion equation
8,613,784.16 : 11,887,551.60 = 4,746,304.28 : x - Step 2: Convert to fraction form
8,613,784.16/11,887,551.60 = 4,746,304.28/x - Step 3: Cross multiply
8,613,784.16x = 11,887,551.60 × 4,746,304.28 - Step 4: Simplify right side
8,613,784.16x = 56,421,937,037,800.85 - Step 5: Solve for x
x = 56,421,937,037,800.85/8,613,784.16 - Step 6: Final answer
x = 6,550,191.65
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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.