Finding the Fourth Proportional to 14,962,779.98, 20,648,645.24 and 8,347,368.46
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Solution
The fourth proportional to 14,962,779.98, 20,648,645.24 and 8,347,368.46 is: 11,519,373.42
Step by Step Solution
- Step 1: Write the proportion equation
14,962,779.98 : 20,648,645.24 = 8,347,368.46 : x - Step 2: Convert to fraction form
14,962,779.98/20,648,645.24 = 8,347,368.46/x - Step 3: Cross multiply
14,962,779.98x = 20,648,645.24 × 8,347,368.46 - Step 4: Simplify right side
14,962,779.98x = 172,361,850,018,105.12 - Step 5: Solve for x
x = 172,361,850,018,105.12/14,962,779.98 - Step 6: Final answer
x = 11,519,373.42
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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.