Finding the Fourth Proportional to 8,790,642, 13,190,463.63 and 4,184,841.06
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Solution
The fourth proportional to 8,790,642, 13,190,463.63 and 4,184,841.06 is: 6,279,404.14
Step by Step Solution
- Step 1: Write the proportion equation
8,790,642 : 13,190,463.63 = 4,184,841.06 : x - Step 2: Convert to fraction form
8,790,642/13,190,463.63 = 4,184,841.06/x - Step 3: Cross multiply
8,790,642x = 13,190,463.63 × 4,184,841.06 - Step 4: Simplify right side
8,790,642x = 55,199,993,799,260.65 - Step 5: Solve for x
x = 55,199,993,799,260.65/8,790,642 - Step 6: Final answer
x = 6,279,404.14
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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.