Finding the Fourth Proportional to 36,085,841.80, 54,128,762.70 and 16,953,965.80
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Solution
The fourth proportional to 36,085,841.80, 54,128,762.70 and 16,953,965.80 is: 25,430,948.70
Step by Step Solution
- Step 1: Write the proportion equation
36,085,841.80 : 54,128,762.70 = 16,953,965.80 : x - Step 2: Convert to fraction form
36,085,841.80/54,128,762.70 = 16,953,965.80/x - Step 3: Cross multiply
36,085,841.80x = 54,128,762.70 × 16,953,965.80 - Step 4: Simplify right side
36,085,841.80x = 917,697,191,612,115.75 - Step 5: Solve for x
x = 917,697,191,612,115.75/36,085,841.80 - Step 6: Final answer
x = 25,430,948.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.