Finding the Fourth Proportional to 16,129,624.80, 24,194,437.20 and 13,939,903.20
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Solution
The fourth proportional to 16,129,624.80, 24,194,437.20 and 13,939,903.20 is: 20,909,854.80
Step by Step Solution
- Step 1: Write the proportion equation
16,129,624.80 : 24,194,437.20 = 13,939,903.20 : x - Step 2: Convert to fraction form
16,129,624.80/24,194,437.20 = 13,939,903.20/x - Step 3: Cross multiply
16,129,624.80x = 24,194,437.20 × 13,939,903.20 - Step 4: Simplify right side
16,129,624.80x = 337,268,112,546,479 - Step 5: Solve for x
x = 337,268,112,546,479/16,129,624.80 - Step 6: Final answer
x = 20,909,854.80
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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.