Finding the Fourth Proportional to 19,388,812.70, 29,083,219.05 and 16,402,828.70
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Solution
The fourth proportional to 19,388,812.70, 29,083,219.05 and 16,402,828.70 is: 24,604,243.05
Step by Step Solution
- Step 1: Write the proportion equation
19,388,812.70 : 29,083,219.05 = 16,402,828.70 : x - Step 2: Convert to fraction form
19,388,812.70/29,083,219.05 = 16,402,828.70/x - Step 3: Cross multiply
19,388,812.70x = 29,083,219.05 × 16,402,828.70 - Step 4: Simplify right side
19,388,812.70x = 477,047,060,121,726.75 - Step 5: Solve for x
x = 477,047,060,121,726.75/19,388,812.70 - Step 6: Final answer
x = 24,604,243.05
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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.