Finding the Fourth Proportional to 36,085,510.80, 54,117,768.60 and 19,919,206.80
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Solution
The fourth proportional to 36,085,510.80, 54,117,768.60 and 19,919,206.80 is: 29,873,015.52
Step by Step Solution
- Step 1: Write the proportion equation
36,085,510.80 : 54,117,768.60 = 19,919,206.80 : x - Step 2: Convert to fraction form
36,085,510.80/54,117,768.60 = 19,919,206.80/x - Step 3: Cross multiply
36,085,510.80x = 54,117,768.60 × 19,919,206.80 - Step 4: Simplify right side
36,085,510.80x = 1,077,983,024,297,946.50 - Step 5: Solve for x
x = 1,077,983,024,297,946.50/36,085,510.80 - Step 6: Final answer
x = 29,873,015.52
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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.