Finding the Fourth Proportional to 18,248,158.08, 27,342,011.70 and 12,830,338.44
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Solution
The fourth proportional to 18,248,158.08, 27,342,011.70 and 12,830,338.44 is: 19,224,256.07
Step by Step Solution
- Step 1: Write the proportion equation
18,248,158.08 : 27,342,011.70 = 12,830,338.44 : x - Step 2: Convert to fraction form
18,248,158.08/27,342,011.70 = 12,830,338.44/x - Step 3: Cross multiply
18,248,158.08x = 27,342,011.70 × 12,830,338.44 - Step 4: Simplify right side
18,248,158.08x = 350,807,263,741,439.75 - Step 5: Solve for x
x = 350,807,263,741,439.75/18,248,158.08 - Step 6: Final answer
x = 19,224,256.07
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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.