Finding the Fourth Proportional to 20,773,201.26, 28,668,107.43 and 12,515,854.62
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Solution
The fourth proportional to 20,773,201.26, 28,668,107.43 and 12,515,854.62 is: 17,272,535.91
Step by Step Solution
- Step 1: Write the proportion equation
20,773,201.26 : 28,668,107.43 = 12,515,854.62 : x - Step 2: Convert to fraction form
20,773,201.26/28,668,107.43 = 12,515,854.62/x - Step 3: Cross multiply
20,773,201.26x = 28,668,107.43 × 12,515,854.62 - Step 4: Simplify right side
20,773,201.26x = 358,805,864,824,421.81 - Step 5: Solve for x
x = 358,805,864,824,421.81/20,773,201.26 - Step 6: Final answer
x = 17,272,535.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.