Finding the Fourth Proportional to 46,358,451.68, 69,535,961.60 and 18,704,328.80
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Solution
The fourth proportional to 46,358,451.68, 69,535,961.60 and 18,704,328.80 is: 28,055,800.87
Step by Step Solution
- Step 1: Write the proportion equation
46,358,451.68 : 69,535,961.60 = 18,704,328.80 : x - Step 2: Convert to fraction form
46,358,451.68/69,535,961.60 = 18,704,328.80/x - Step 3: Cross multiply
46,358,451.68x = 69,535,961.60 × 18,704,328.80 - Step 4: Simplify right side
46,358,451.68x = 1,300,623,489,190,574 - Step 5: Solve for x
x = 1,300,623,489,190,574/46,358,451.68 - Step 6: Final answer
x = 28,055,800.87
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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.