Finding the Fourth Proportional to 8,178,697.74, 12,268,044.98 and 2,195,065.74
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Solution
The fourth proportional to 8,178,697.74, 12,268,044.98 and 2,195,065.74 is: 3,292,598.17
Step by Step Solution
- Step 1: Write the proportion equation
8,178,697.74 : 12,268,044.98 = 2,195,065.74 : x - Step 2: Convert to fraction form
8,178,697.74/12,268,044.98 = 2,195,065.74/x - Step 3: Cross multiply
8,178,697.74x = 12,268,044.98 × 2,195,065.74 - Step 4: Simplify right side
8,178,697.74x = 26,929,165,232,376.99 - Step 5: Solve for x
x = 26,929,165,232,376.99/8,178,697.74 - Step 6: Final answer
x = 3,292,598.17
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1.5x scale
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.