Finding the Fourth Proportional to 7,344,850.80, 11,017,276.20 and 5,553,260.40
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Solution
The fourth proportional to 7,344,850.80, 11,017,276.20 and 5,553,260.40 is: 8,329,890.60
Step by Step Solution
- Step 1: Write the proportion equation
7,344,850.80 : 11,017,276.20 = 5,553,260.40 : x - Step 2: Convert to fraction form
7,344,850.80/11,017,276.20 = 5,553,260.40/x - Step 3: Cross multiply
7,344,850.80x = 11,017,276.20 × 5,553,260.40 - Step 4: Simplify right side
7,344,850.80x = 61,181,803,637,322.48 - Step 5: Solve for x
x = 61,181,803,637,322.48/7,344,850.80 - Step 6: Final answer
x = 8,329,890.60
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Similar ratio
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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.