Finding the Fourth Proportional to 54,756,949.05, 82,135,423.58 and 14,371,515.45
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Solution
The fourth proportional to 54,756,949.05, 82,135,423.58 and 14,371,515.45 is: 21,557,273.18
Step by Step Solution
- Step 1: Write the proportion equation
54,756,949.05 : 82,135,423.58 = 14,371,515.45 : x - Step 2: Convert to fraction form
54,756,949.05/82,135,423.58 = 14,371,515.45/x - Step 3: Cross multiply
54,756,949.05x = 82,135,423.58 × 14,371,515.45 - Step 4: Simplify right side
54,756,949.05x = 1,180,410,508,900,406.75 - Step 5: Solve for x
x = 1,180,410,508,900,406.75/54,756,949.05 - Step 6: Final answer
x = 21,557,273.18
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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.