Finding the Fourth Proportional to 16,162,710.71, 22,305,013.65 and 8,821,014.74
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Solution
The fourth proportional to 16,162,710.71, 22,305,013.65 and 8,821,014.74 is: 12,173,258.42
Step by Step Solution
- Step 1: Write the proportion equation
16,162,710.71 : 22,305,013.65 = 8,821,014.74 : x - Step 2: Convert to fraction form
16,162,710.71/22,305,013.65 = 8,821,014.74/x - Step 3: Cross multiply
16,162,710.71x = 22,305,013.65 × 8,821,014.74 - Step 4: Simplify right side
16,162,710.71x = 196,752,854,182,551.19 - Step 5: Solve for x
x = 196,752,854,182,551.19/16,162,710.71 - Step 6: Final answer
x = 12,173,258.42
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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.