Finding the Fourth Proportional to 10,168,574.97, 14,029,219.49 and 5,757,697.75
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Solution
The fourth proportional to 10,168,574.97, 14,029,219.49 and 5,757,697.75 is: 7,943,689.82
Step by Step Solution
- Step 1: Write the proportion equation
10,168,574.97 : 14,029,219.49 = 5,757,697.75 : x - Step 2: Convert to fraction form
10,168,574.97/14,029,219.49 = 5,757,697.75/x - Step 3: Cross multiply
10,168,574.97x = 14,029,219.49 × 5,757,697.75 - Step 4: Simplify right side
10,168,574.97x = 80,776,005,447,202.27 - Step 5: Solve for x
x = 80,776,005,447,202.27/10,168,574.97 - Step 6: Final answer
x = 7,943,689.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.