Finding the Fourth Proportional to 8,813,621.68, 12,162,888.12 and 4,893,442
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Solution
The fourth proportional to 8,813,621.68, 12,162,888.12 and 4,893,442 is: 6,753,000.04
Step by Step Solution
- Step 1: Write the proportion equation
8,813,621.68 : 12,162,888.12 = 4,893,442 : x - Step 2: Convert to fraction form
8,813,621.68/12,162,888.12 = 4,893,442/x - Step 3: Cross multiply
8,813,621.68x = 12,162,888.12 × 4,893,442 - Step 4: Simplify right side
8,813,621.68x = 59,518,387,567,709.04 - Step 5: Solve for x
x = 59,518,387,567,709.04/8,813,621.68 - Step 6: Final answer
x = 6,753,000.04
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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.