Finding the Fourth Proportional to 19,432,977.13, 29,129,957.65 and 6,644,736.01
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Solution
The fourth proportional to 19,432,977.13, 29,129,957.65 and 6,644,736.01 is: 9,960,433.61
Step by Step Solution
- Step 1: Write the proportion equation
19,432,977.13 : 29,129,957.65 = 6,644,736.01 : x - Step 2: Convert to fraction form
19,432,977.13/29,129,957.65 = 6,644,736.01/x - Step 3: Cross multiply
19,432,977.13x = 29,129,957.65 × 6,644,736.01 - Step 4: Simplify right side
19,432,977.13x = 193,560,878,566,729.97 - Step 5: Solve for x
x = 193,560,878,566,729.97/19,432,977.13 - Step 6: Final answer
x = 9,960,433.61
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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.