Finding the Fourth Proportional to 16,000,322.50, 22,080,503.58 and 8,658,155.70
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Solution
The fourth proportional to 16,000,322.50, 22,080,503.58 and 8,658,155.70 is: 11,948,286.54
Step by Step Solution
- Step 1: Write the proportion equation
16,000,322.50 : 22,080,503.58 = 8,658,155.70 : x - Step 2: Convert to fraction form
16,000,322.50/22,080,503.58 = 8,658,155.70/x - Step 3: Cross multiply
16,000,322.50x = 22,080,503.58 × 8,658,155.70 - Step 4: Simplify right side
16,000,322.50x = 191,176,437,897,579.31 - Step 5: Solve for x
x = 191,176,437,897,579.31/16,000,322.50 - Step 6: Final answer
x = 11,948,286.54
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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.