Finding the Fourth Proportional to 20,064,129.98, 27,690,207.03 and 11,363,850.32
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Solution
The fourth proportional to 20,064,129.98, 27,690,207.03 and 11,363,850.32 is: 15,683,080.62
Step by Step Solution
- Step 1: Write the proportion equation
20,064,129.98 : 27,690,207.03 = 11,363,850.32 : x - Step 2: Convert to fraction form
20,064,129.98/27,690,207.03 = 11,363,850.32/x - Step 3: Cross multiply
20,064,129.98x = 27,690,207.03 × 11,363,850.32 - Step 4: Simplify right side
20,064,129.98x = 314,667,367,880,280.69 - Step 5: Solve for x
x = 314,667,367,880,280.69/20,064,129.98 - Step 6: Final answer
x = 15,683,080.62
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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.