Finding the Fourth Proportional to 7,454,981.28, 11,181,226.07 and 2,064,176.63
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Solution
The fourth proportional to 7,454,981.28, 11,181,226.07 and 2,064,176.63 is: 3,095,919.99
Step by Step Solution
- Step 1: Write the proportion equation
7,454,981.28 : 11,181,226.07 = 2,064,176.63 : x - Step 2: Convert to fraction form
7,454,981.28/11,181,226.07 = 2,064,176.63/x - Step 3: Cross multiply
7,454,981.28x = 11,181,226.07 × 2,064,176.63 - Step 4: Simplify right side
7,454,981.28x = 23,080,025,548,440.74 - Step 5: Solve for x
x = 23,080,025,548,440.74/7,454,981.28 - Step 6: Final answer
x = 3,095,919.99
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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.