Finding the Fourth Proportional to 19,156,443.93, 28,743,633.99 and 8,372,343.56
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Solution
The fourth proportional to 19,156,443.93, 28,743,633.99 and 8,372,343.56 is: 12,562,434.85
Step by Step Solution
- Step 1: Write the proportion equation
19,156,443.93 : 28,743,633.99 = 8,372,343.56 : x - Step 2: Convert to fraction form
19,156,443.93/28,743,633.99 = 8,372,343.56/x - Step 3: Cross multiply
19,156,443.93x = 28,743,633.99 × 8,372,343.56 - Step 4: Simplify right side
19,156,443.93x = 240,651,578,783,455.41 - Step 5: Solve for x
x = 240,651,578,783,455.41/19,156,443.93 - Step 6: Final answer
x = 12,562,434.85
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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.