Finding the Fourth Proportional to 9,389,926.95, 14,086,911.17 and 2,912,873.19
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Solution
The fourth proportional to 9,389,926.95, 14,086,911.17 and 2,912,873.19 is: 4,369,936.65
Step by Step Solution
- Step 1: Write the proportion equation
9,389,926.95 : 14,086,911.17 = 2,912,873.19 : x - Step 2: Convert to fraction form
9,389,926.95/14,086,911.17 = 2,912,873.19/x - Step 3: Cross multiply
9,389,926.95x = 14,086,911.17 × 2,912,873.19 - Step 4: Simplify right side
9,389,926.95x = 41,033,385,877,004.53 - Step 5: Solve for x
x = 41,033,385,877,004.53/9,389,926.95 - Step 6: Final answer
x = 4,369,936.65
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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.