Finding the Fourth Proportional to 9,128,285.08, 12,597,878.46 and 5,053,904.08
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Solution
The fourth proportional to 9,128,285.08, 12,597,878.46 and 5,053,904.08 is: 6,974,855.50
Step by Step Solution
- Step 1: Write the proportion equation
9,128,285.08 : 12,597,878.46 = 5,053,904.08 : x - Step 2: Convert to fraction form
9,128,285.08/12,597,878.46 = 5,053,904.08/x - Step 3: Cross multiply
9,128,285.08x = 12,597,878.46 × 5,053,904.08 - Step 4: Simplify right side
9,128,285.08x = 63,668,469,335,795.55 - Step 5: Solve for x
x = 63,668,469,335,795.55/9,128,285.08 - Step 6: Final answer
x = 6,974,855.50
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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.