Finding the Fourth Proportional to 8,159,214.12, 11,259,160.29 and 4,721,971.83
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Solution
The fourth proportional to 8,159,214.12, 11,259,160.29 and 4,721,971.83 is: 6,515,999.82
Step by Step Solution
- Step 1: Write the proportion equation
8,159,214.12 : 11,259,160.29 = 4,721,971.83 : x - Step 2: Convert to fraction form
8,159,214.12/11,259,160.29 = 4,721,971.83/x - Step 3: Cross multiply
8,159,214.12x = 11,259,160.29 × 4,721,971.83 - Step 4: Simplify right side
8,159,214.12x = 53,165,437,718,834.62 - Step 5: Solve for x
x = 53,165,437,718,834.62/8,159,214.12 - Step 6: Final answer
x = 6,515,999.82
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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.