Finding the Fourth Proportional to 12,032,832.24, 18,040,271.76 and 7,239,398.40
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Solution
The fourth proportional to 12,032,832.24, 18,040,271.76 and 7,239,398.40 is: 10,853,696.94
Step by Step Solution
- Step 1: Write the proportion equation
12,032,832.24 : 18,040,271.76 = 7,239,398.40 : x - Step 2: Convert to fraction form
12,032,832.24/18,040,271.76 = 7,239,398.40/x - Step 3: Cross multiply
12,032,832.24x = 18,040,271.76 × 7,239,398.40 - Step 4: Simplify right side
12,032,832.24x = 130,600,714,514,909.20 - Step 5: Solve for x
x = 130,600,714,514,909.20/12,032,832.24 - Step 6: Final answer
x = 10,853,696.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.