Finding the Fourth Proportional to 21,672,840.74, 32,514,686.24 and 6,320,132.19
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Solution
The fourth proportional to 21,672,840.74, 32,514,686.24 and 6,320,132.19 is: 9,481,780.34
Step by Step Solution
- Step 1: Write the proportion equation
21,672,840.74 : 32,514,686.24 = 6,320,132.19 : x - Step 2: Convert to fraction form
21,672,840.74/32,514,686.24 = 6,320,132.19/x - Step 3: Cross multiply
21,672,840.74x = 32,514,686.24 × 6,320,132.19 - Step 4: Simplify right side
21,672,840.74x = 205,497,115,121,573.41 - Step 5: Solve for x
x = 205,497,115,121,573.41/21,672,840.74 - Step 6: Final answer
x = 9,481,780.34
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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.