Finding the Fourth Proportional to 11,204,661.52, 15,462,467.80 and 6,495,974.79
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Solution
The fourth proportional to 11,204,661.52, 15,462,467.80 and 6,495,974.79 is: 8,964,465.45
Step by Step Solution
- Step 1: Write the proportion equation
11,204,661.52 : 15,462,467.80 = 6,495,974.79 : x - Step 2: Convert to fraction form
11,204,661.52/15,462,467.80 = 6,495,974.79/x - Step 3: Cross multiply
11,204,661.52x = 15,462,467.80 × 6,495,974.79 - Step 4: Simplify right side
11,204,661.52x = 100,443,801,019,986.77 - Step 5: Solve for x
x = 100,443,801,019,986.77/11,204,661.52 - Step 6: Final answer
x = 8,964,465.45
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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.