Finding the Fourth Proportional to 19,367,965.13, 29,061,248.72 and 12,079,553.94
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Solution
The fourth proportional to 19,367,965.13, 29,061,248.72 and 12,079,553.94 is: 18,125,131.84
Step by Step Solution
- Step 1: Write the proportion equation
19,367,965.13 : 29,061,248.72 = 12,079,553.94 : x - Step 2: Convert to fraction form
19,367,965.13/29,061,248.72 = 12,079,553.94/x - Step 3: Cross multiply
19,367,965.13x = 29,061,248.72 × 12,079,553.94 - Step 4: Simplify right side
19,367,965.13x = 351,046,921,416,598.19 - Step 5: Solve for x
x = 351,046,921,416,598.19/19,367,965.13 - Step 6: Final answer
x = 18,125,131.84
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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.