Finding the Fourth Proportional to 12,069,644.19, 16,656,195.66 and 6,562,979.58
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Solution
The fourth proportional to 12,069,644.19, 16,656,195.66 and 6,562,979.58 is: 9,056,958.95
Step by Step Solution
- Step 1: Write the proportion equation
12,069,644.19 : 16,656,195.66 = 6,562,979.58 : x - Step 2: Convert to fraction form
12,069,644.19/16,656,195.66 = 6,562,979.58/x - Step 3: Cross multiply
12,069,644.19x = 16,656,195.66 × 6,562,979.58 - Step 4: Simplify right side
12,069,644.19x = 109,314,271,997,064.62 - Step 5: Solve for x
x = 109,314,271,997,064.62/12,069,644.19 - Step 6: Final answer
x = 9,056,958.95
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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.