Finding the Fourth Proportional to 8,613,974.56, 11,887,815.50 and 4,746,495.08
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Solution
The fourth proportional to 8,613,974.56, 11,887,815.50 and 4,746,495.08 is: 6,550,455.59
Step by Step Solution
- Step 1: Write the proportion equation
8,613,974.56 : 11,887,815.50 = 4,746,495.08 : x - Step 2: Convert to fraction form
8,613,974.56/11,887,815.50 = 4,746,495.08/x - Step 3: Cross multiply
8,613,974.56x = 11,887,815.50 × 4,746,495.08 - Step 4: Simplify right side
8,613,974.56x = 56,425,457,782,697.74 - Step 5: Solve for x
x = 56,425,457,782,697.74/8,613,974.56 - Step 6: Final answer
x = 6,550,455.59
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1.5x scale
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.