Finding the Fourth Proportional to 38,793,617.90, 58,194,929.49 and 12,888,231.11
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Solution
The fourth proportional to 38,793,617.90, 58,194,929.49 and 12,888,231.11 is: 19,333,842.55
Step by Step Solution
- Step 1: Write the proportion equation
38,793,617.90 : 58,194,929.49 = 12,888,231.11 : x - Step 2: Convert to fraction form
38,793,617.90/58,194,929.49 = 12,888,231.11/x - Step 3: Cross multiply
38,793,617.90x = 58,194,929.49 × 12,888,231.11 - Step 4: Simplify right side
38,793,617.90x = 750,029,700,406,299.88 - Step 5: Solve for x
x = 750,029,700,406,299.88/38,793,617.90 - Step 6: Final answer
x = 19,333,842.55
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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.