Finding the Fourth Proportional to 20,064,129.84, 27,690,206.85 and 11,363,850.18
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Solution
The fourth proportional to 20,064,129.84, 27,690,206.85 and 11,363,850.18 is: 15,683,080.43
Step by Step Solution
- Step 1: Write the proportion equation
20,064,129.84 : 27,690,206.85 = 11,363,850.18 : x - Step 2: Convert to fraction form
20,064,129.84/27,690,206.85 = 11,363,850.18/x - Step 3: Cross multiply
20,064,129.84x = 27,690,206.85 × 11,363,850.18 - Step 4: Simplify right side
20,064,129.84x = 314,667,362,096,609.75 - Step 5: Solve for x
x = 314,667,362,096,609.75/20,064,129.84 - Step 6: Final answer
x = 15,683,080.43
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1.5x scale
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.