Finding the Fourth Proportional to 31,306,670.81, 46,960,367.76 and 9,447,239.45
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Solution
The fourth proportional to 31,306,670.81, 46,960,367.76 and 9,447,239.45 is: 14,170,968.28
Step by Step Solution
- Step 1: Write the proportion equation
31,306,670.81 : 46,960,367.76 = 9,447,239.45 : x - Step 2: Convert to fraction form
31,306,670.81/46,960,367.76 = 9,447,239.45/x - Step 3: Cross multiply
31,306,670.81x = 46,960,367.76 × 9,447,239.45 - Step 4: Simplify right side
31,306,670.81x = 443,645,838,888,780.06 - Step 5: Solve for x
x = 443,645,838,888,780.06/31,306,670.81 - Step 6: Final answer
x = 14,170,968.28
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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.