Finding the Fourth Proportional to 38,697,346.81, 58,046,011.57 and 14,107,116.99
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Solution
The fourth proportional to 38,697,346.81, 58,046,011.57 and 14,107,116.99 is: 21,160,672.33
Step by Step Solution
- Step 1: Write the proportion equation
38,697,346.81 : 58,046,011.57 = 14,107,116.99 : x - Step 2: Convert to fraction form
38,697,346.81/58,046,011.57 = 14,107,116.99/x - Step 3: Cross multiply
38,697,346.81x = 58,046,011.57 × 14,107,116.99 - Step 4: Simplify right side
38,697,346.81x = 818,861,876,020,883.62 - Step 5: Solve for x
x = 818,861,876,020,883.62/38,697,346.81 - Step 6: Final answer
x = 21,160,672.33
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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.