Finding the Fourth Proportional to 19,350,391.05, 29,025,646.23 and 4,777,312.23
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Solution
The fourth proportional to 19,350,391.05, 29,025,646.23 and 4,777,312.23 is: 7,165,983.07
Step by Step Solution
- Step 1: Write the proportion equation
19,350,391.05 : 29,025,646.23 = 4,777,312.23 : x - Step 2: Convert to fraction form
19,350,391.05/29,025,646.23 = 4,777,312.23/x - Step 3: Cross multiply
19,350,391.05x = 29,025,646.23 × 4,777,312.23 - Step 4: Simplify right side
19,350,391.05x = 138,664,574,718,232.41 - Step 5: Solve for x
x = 138,664,574,718,232.41/19,350,391.05 - Step 6: Final answer
x = 7,165,983.07
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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.