Finding the Fourth Proportional to 8,283,098.20, 11,430,539.04 and 4,845,921.52
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Solution
The fourth proportional to 8,283,098.20, 11,430,539.04 and 4,845,921.52 is: 6,687,291.85
Step by Step Solution
- Step 1: Write the proportion equation
8,283,098.20 : 11,430,539.04 = 4,845,921.52 : x - Step 2: Convert to fraction form
8,283,098.20/11,430,539.04 = 4,845,921.52/x - Step 3: Cross multiply
8,283,098.20x = 11,430,539.04 × 4,845,921.52 - Step 4: Simplify right side
8,283,098.20x = 55,391,495,119,136.13 - Step 5: Solve for x
x = 55,391,495,119,136.13/8,283,098.20 - Step 6: Final answer
x = 6,687,291.85
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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.