Finding the Fourth Proportional to 19,159,216.74, 28,743,400.80 and 6,379,832.16
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Solution
The fourth proportional to 19,159,216.74, 28,743,400.80 and 6,379,832.16 is: 9,571,271.90
Step by Step Solution
- Step 1: Write the proportion equation
19,159,216.74 : 28,743,400.80 = 6,379,832.16 : x - Step 2: Convert to fraction form
19,159,216.74/28,743,400.80 = 6,379,832.16/x - Step 3: Cross multiply
19,159,216.74x = 28,743,400.80 × 6,379,832.16 - Step 4: Simplify right side
19,159,216.74x = 183,378,072,811,609.75 - Step 5: Solve for x
x = 183,378,072,811,609.75/19,159,216.74 - Step 6: Final answer
x = 9,571,271.90
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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.