Finding the Fourth Proportional to 65,347,991.58, 98,032,635.09 and 19,294,515.98
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Solution
The fourth proportional to 65,347,991.58, 98,032,635.09 and 19,294,515.98 is: 28,944,917.79
Step by Step Solution
- Step 1: Write the proportion equation
65,347,991.58 : 98,032,635.09 = 19,294,515.98 : x - Step 2: Convert to fraction form
65,347,991.58/98,032,635.09 = 19,294,515.98/x - Step 3: Cross multiply
65,347,991.58x = 98,032,635.09 × 19,294,515.98 - Step 4: Simplify right side
65,347,991.58x = 1,891,492,243,815,350.75 - Step 5: Solve for x
x = 1,891,492,243,815,350.75/65,347,991.58 - Step 6: Final answer
x = 28,944,917.79
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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.