Finding the Fourth Proportional to 19,205,272.38, 28,807,875.72 and 8,966,700.66
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Solution
The fourth proportional to 19,205,272.38, 28,807,875.72 and 8,966,700.66 is: 13,450,035.65
Step by Step Solution
- Step 1: Write the proportion equation
19,205,272.38 : 28,807,875.72 = 8,966,700.66 : x - Step 2: Convert to fraction form
19,205,272.38/28,807,875.72 = 8,966,700.66/x - Step 3: Cross multiply
19,205,272.38x = 28,807,875.72 × 8,966,700.66 - Step 4: Simplify right side
19,205,272.38x = 258,311,598,231,721.97 - Step 5: Solve for x
x = 258,311,598,231,721.97/19,205,272.38 - Step 6: Final answer
x = 13,450,035.65
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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.