Finding the Fourth Proportional to 7,246,446.30, 9,999,983.66 and 3,983,191.07
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Solution
The fourth proportional to 7,246,446.30, 9,999,983.66 and 3,983,191.07 is: 5,496,741.97
Step by Step Solution
- Step 1: Write the proportion equation
7,246,446.30 : 9,999,983.66 = 3,983,191.07 : x - Step 2: Convert to fraction form
7,246,446.30/9,999,983.66 = 3,983,191.07/x - Step 3: Cross multiply
7,246,446.30x = 9,999,983.66 × 3,983,191.07 - Step 4: Simplify right side
7,246,446.30x = 39,831,845,544,742.04 - Step 5: Solve for x
x = 39,831,845,544,742.04/7,246,446.30 - Step 6: Final answer
x = 5,496,741.97
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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.