Finding the Fourth Proportional to 38,809,747.80, 58,165,632.90 and 19,645,795.80
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Solution
The fourth proportional to 38,809,747.80, 58,165,632.90 and 19,645,795.80 is: 29,443,895.19
Step by Step Solution
- Step 1: Write the proportion equation
38,809,747.80 : 58,165,632.90 = 19,645,795.80 : x - Step 2: Convert to fraction form
38,809,747.80/58,165,632.90 = 19,645,795.80/x - Step 3: Cross multiply
38,809,747.80x = 58,165,632.90 × 19,645,795.80 - Step 4: Simplify right side
38,809,747.80x = 1,142,710,146,531,161.75 - Step 5: Solve for x
x = 1,142,710,146,531,161.75/38,809,747.80 - Step 6: Final answer
x = 29,443,895.19
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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.