Finding the Fourth Proportional to 7,452,029.80, 11,178,044.70 and 2,964,305.80
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Solution
The fourth proportional to 7,452,029.80, 11,178,044.70 and 2,964,305.80 is: 4,446,458.70
Step by Step Solution
- Step 1: Write the proportion equation
7,452,029.80 : 11,178,044.70 = 2,964,305.80 : x - Step 2: Convert to fraction form
7,452,029.80/11,178,044.70 = 2,964,305.80/x - Step 3: Cross multiply
7,452,029.80x = 11,178,044.70 × 2,964,305.80 - Step 4: Simplify right side
7,452,029.80x = 33,135,142,736,869.25 - Step 5: Solve for x
x = 33,135,142,736,869.25/7,452,029.80 - Step 6: Final answer
x = 4,446,458.70
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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.