Finding the Fourth Proportional to 27,911,534.04, 38,512,271.48 and 16,306,856.42
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Solution
The fourth proportional to 27,911,534.04, 38,512,271.48 and 16,306,856.42 is: 22,500,163.56
Step by Step Solution
- Step 1: Write the proportion equation
27,911,534.04 : 38,512,271.48 = 16,306,856.42 : x - Step 2: Convert to fraction form
27,911,534.04/38,512,271.48 = 16,306,856.42/x - Step 3: Cross multiply
27,911,534.04x = 38,512,271.48 × 16,306,856.42 - Step 4: Simplify right side
27,911,534.04x = 628,014,081,158,325.25 - Step 5: Solve for x
x = 628,014,081,158,325.25/27,911,534.04 - Step 6: Final answer
x = 22,500,163.56
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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.