Finding the Fourth Proportional to 14,779,611.96, 20,395,671.84 and 8,253,356.10
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Solution
The fourth proportional to 14,779,611.96, 20,395,671.84 and 8,253,356.10 is: 11,389,523.83
Step by Step Solution
- Step 1: Write the proportion equation
14,779,611.96 : 20,395,671.84 = 8,253,356.10 : x - Step 2: Convert to fraction form
14,779,611.96/20,395,671.84 = 8,253,356.10/x - Step 3: Cross multiply
14,779,611.96x = 20,395,671.84 × 8,253,356.10 - Step 4: Simplify right side
14,779,611.96x = 168,332,742,594,262.22 - Step 5: Solve for x
x = 168,332,742,594,262.22/14,779,611.96 - Step 6: Final answer
x = 11,389,523.83
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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.