Finding the Fourth Proportional to 8,609,407.68, 11,881,207.70 and 4,689,312.46
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Solution
The fourth proportional to 8,609,407.68, 11,881,207.70 and 4,689,312.46 is: 6,471,373.80
Step by Step Solution
- Step 1: Write the proportion equation
8,609,407.68 : 11,881,207.70 = 4,689,312.46 : x - Step 2: Convert to fraction form
8,609,407.68/11,881,207.70 = 4,689,312.46/x - Step 3: Cross multiply
8,609,407.68x = 11,881,207.70 × 4,689,312.46 - Step 4: Simplify right side
8,609,407.68x = 55,714,695,307,457.94 - Step 5: Solve for x
x = 55,714,695,307,457.94/8,609,407.68 - Step 6: Final answer
x = 6,471,373.80
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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.