Finding the Fourth Proportional to 38,709,614.40, 58,064,578.14 and 15,680,984.40
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Solution
The fourth proportional to 38,709,614.40, 58,064,578.14 and 15,680,984.40 is: 23,521,540.01
Step by Step Solution
- Step 1: Write the proportion equation
38,709,614.40 : 58,064,578.14 = 15,680,984.40 : x - Step 2: Convert to fraction form
38,709,614.40/58,064,578.14 = 15,680,984.40/x - Step 3: Cross multiply
38,709,614.40x = 58,064,578.14 × 15,680,984.40 - Step 4: Simplify right side
38,709,614.40x = 910,509,744,005,921 - Step 5: Solve for x
x = 910,509,744,005,921/38,709,614.40 - Step 6: Final answer
x = 23,521,540.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.