Finding the Fourth Proportional to 7,854,108.26, 11,781,308.19 and 2,462,638.10
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Solution
The fourth proportional to 7,854,108.26, 11,781,308.19 and 2,462,638.10 is: 3,694,002.87
Step by Step Solution
- Step 1: Write the proportion equation
7,854,108.26 : 11,781,308.19 = 2,462,638.10 : x - Step 2: Convert to fraction form
7,854,108.26/11,781,308.19 = 2,462,638.10/x - Step 3: Cross multiply
7,854,108.26x = 11,781,308.19 × 2,462,638.10 - Step 4: Simplify right side
7,854,108.26x = 29,013,098,416,536.04 - Step 5: Solve for x
x = 29,013,098,416,536.04/7,854,108.26 - Step 6: Final answer
x = 3,694,002.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.