Finding the Fourth Proportional to 8,134,698.38, 12,202,119.05 and 2,069,436.51
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Solution
The fourth proportional to 8,134,698.38, 12,202,119.05 and 2,069,436.51 is: 3,104,172.95
Step by Step Solution
- Step 1: Write the proportion equation
8,134,698.38 : 12,202,119.05 = 2,069,436.51 : x - Step 2: Convert to fraction form
8,134,698.38/12,202,119.05 = 2,069,436.51/x - Step 3: Cross multiply
8,134,698.38x = 12,202,119.05 × 2,069,436.51 - Step 4: Simplify right side
8,134,698.38x = 25,251,510,651,089.33 - Step 5: Solve for x
x = 25,251,510,651,089.33/8,134,698.38 - Step 6: Final answer
x = 3,104,172.95
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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.