Finding the Fourth Proportional to 38,798,470.34, 58,202,207.88 and 12,893,083.58
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Solution
The fourth proportional to 38,798,470.34, 58,202,207.88 and 12,893,083.58 is: 19,341,121.55
Step by Step Solution
- Step 1: Write the proportion equation
38,798,470.34 : 58,202,207.88 = 12,893,083.58 : x - Step 2: Convert to fraction form
38,798,470.34/58,202,207.88 = 12,893,083.58/x - Step 3: Cross multiply
38,798,470.34x = 58,202,207.88 × 12,893,083.58 - Step 4: Simplify right side
38,798,470.34x = 750,405,930,737,374.62 - Step 5: Solve for x
x = 750,405,930,737,374.62/38,798,470.34 - Step 6: Final answer
x = 19,341,121.55
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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.