Finding the Fourth Proportional to 6,936,951.36, 10,400,697.62 and 3,518,646.55
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Solution
The fourth proportional to 6,936,951.36, 10,400,697.62 and 3,518,646.55 is: 5,275,570.90
Step by Step Solution
- Step 1: Write the proportion equation
6,936,951.36 : 10,400,697.62 = 3,518,646.55 : x - Step 2: Convert to fraction form
6,936,951.36/10,400,697.62 = 3,518,646.55/x - Step 3: Cross multiply
6,936,951.36x = 10,400,697.62 × 3,518,646.55 - Step 4: Simplify right side
6,936,951.36x = 36,596,378,767,806.16 - Step 5: Solve for x
x = 36,596,378,767,806.16/6,936,951.36 - Step 6: Final answer
x = 5,275,570.90
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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.