Finding the Fourth Proportional to 18,005,220.18, 24,847,201.98 and 9,745,281
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Solution
The fourth proportional to 18,005,220.18, 24,847,201.98 and 9,745,281 is: 13,448,486.77
Step by Step Solution
- Step 1: Write the proportion equation
18,005,220.18 : 24,847,201.98 = 9,745,281 : x - Step 2: Convert to fraction form
18,005,220.18/24,847,201.98 = 9,745,281/x - Step 3: Cross multiply
18,005,220.18x = 24,847,201.98 × 9,745,281 - Step 4: Simplify right side
18,005,220.18x = 242,142,965,358,856.38 - Step 5: Solve for x
x = 242,142,965,358,856.38/18,005,220.18 - Step 6: Final answer
x = 13,448,486.77
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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.