Finding the Fourth Proportional to 19,681,014.63, 27,165,202.23 and 11,423,737.15
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Solution
The fourth proportional to 19,681,014.63, 27,165,202.23 and 11,423,737.15 is: 15,767,892.85
Step by Step Solution
- Step 1: Write the proportion equation
19,681,014.63 : 27,165,202.23 = 11,423,737.15 : x - Step 2: Convert to fraction form
19,681,014.63/27,165,202.23 = 11,423,737.15/x - Step 3: Cross multiply
19,681,014.63x = 27,165,202.23 × 11,423,737.15 - Step 4: Simplify right side
19,681,014.63x = 310,328,129,902,113.88 - Step 5: Solve for x
x = 310,328,129,902,113.88/19,681,014.63 - Step 6: Final answer
x = 15,767,892.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.