Finding the Fourth Proportional to 14,634,779.40, 21,943,659.96 and 5,537,579.74
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Solution
The fourth proportional to 14,634,779.40, 21,943,659.96 and 5,537,579.74 is: 8,303,149.89
Step by Step Solution
- Step 1: Write the proportion equation
14,634,779.40 : 21,943,659.96 = 5,537,579.74 : x - Step 2: Convert to fraction form
14,634,779.40/21,943,659.96 = 5,537,579.74/x - Step 3: Cross multiply
14,634,779.40x = 21,943,659.96 × 5,537,579.74 - Step 4: Simplify right side
14,634,779.40x = 121,514,766,934,844.25 - Step 5: Solve for x
x = 121,514,766,934,844.25/14,634,779.40 - Step 6: Final answer
x = 8,303,149.89
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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.