Finding the Fourth Proportional to 7,661,595.30, 11,488,934.40 and 2,195,439.80
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Solution
The fourth proportional to 7,661,595.30, 11,488,934.40 and 2,195,439.80 is: 3,292,168.64
Step by Step Solution
- Step 1: Write the proportion equation
7,661,595.30 : 11,488,934.40 = 2,195,439.80 : x - Step 2: Convert to fraction form
7,661,595.30/11,488,934.40 = 2,195,439.80/x - Step 3: Cross multiply
7,661,595.30x = 11,488,934.40 × 2,195,439.80 - Step 4: Simplify right side
7,661,595.30x = 25,223,263,775,671.55 - Step 5: Solve for x
x = 25,223,263,775,671.55/7,661,595.30 - Step 6: Final answer
x = 3,292,168.64
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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.