Finding the Fourth Proportional to 36,455,873.08, 54,689,247.12 and 13,425,036.76
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Solution
The fourth proportional to 36,455,873.08, 54,689,247.12 and 13,425,036.76 is: 20,139,557.52
Step by Step Solution
- Step 1: Write the proportion equation
36,455,873.08 : 54,689,247.12 = 13,425,036.76 : x - Step 2: Convert to fraction form
36,455,873.08/54,689,247.12 = 13,425,036.76/x - Step 3: Cross multiply
36,455,873.08x = 54,689,247.12 × 13,425,036.76 - Step 4: Simplify right side
36,455,873.08x = 734,205,152,962,724.12 - Step 5: Solve for x
x = 734,205,152,962,724.12/36,455,873.08 - Step 6: Final answer
x = 20,139,557.52
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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.