Finding the Fourth Proportional to 8,403,856.68, 12,607,556.50 and 2,723,638.12
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Solution
The fourth proportional to 8,403,856.68, 12,607,556.50 and 2,723,638.12 is: 4,086,031.31
Step by Step Solution
- Step 1: Write the proportion equation
8,403,856.68 : 12,607,556.50 = 2,723,638.12 : x - Step 2: Convert to fraction form
8,403,856.68/12,607,556.50 = 2,723,638.12/x - Step 3: Cross multiply
8,403,856.68x = 12,607,556.50 × 2,723,638.12 - Step 4: Simplify right side
8,403,856.68x = 34,338,421,483,453.78 - Step 5: Solve for x
x = 34,338,421,483,453.78/8,403,856.68 - Step 6: Final answer
x = 4,086,031.31
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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.