Finding the Fourth Proportional to 8,857,754.18, 12,221,153.07 and 5,764,830.74
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Solution
The fourth proportional to 8,857,754.18, 12,221,153.07 and 5,764,830.74 is: 7,953,808.32
Step by Step Solution
- Step 1: Write the proportion equation
8,857,754.18 : 12,221,153.07 = 5,764,830.74 : x - Step 2: Convert to fraction form
8,857,754.18/12,221,153.07 = 5,764,830.74/x - Step 3: Cross multiply
8,857,754.18x = 12,221,153.07 × 5,764,830.74 - Step 4: Simplify right side
8,857,754.18x = 70,452,878,896,181.38 - Step 5: Solve for x
x = 70,452,878,896,181.38/8,857,754.18 - Step 6: Final answer
x = 7,953,808.32
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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.