Finding the Fourth Proportional to 12,298,293.20, 18,447,439.80 and 4,320,117.20
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Solution
The fourth proportional to 12,298,293.20, 18,447,439.80 and 4,320,117.20 is: 6,480,175.80
Step by Step Solution
- Step 1: Write the proportion equation
12,298,293.20 : 18,447,439.80 = 4,320,117.20 : x - Step 2: Convert to fraction form
12,298,293.20/18,447,439.80 = 4,320,117.20/x - Step 3: Cross multiply
12,298,293.20x = 18,447,439.80 × 4,320,117.20 - Step 4: Simplify right side
12,298,293.20x = 79,695,101,975,944.56 - Step 5: Solve for x
x = 79,695,101,975,944.56/12,298,293.20 - Step 6: Final answer
x = 6,480,175.80
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1.5x scale
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.