Finding the Fourth Proportional to 19,683,102.60, 29,524,653.90 and 18,248,211.90
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Solution
The fourth proportional to 19,683,102.60, 29,524,653.90 and 18,248,211.90 is: 27,372,317.85
Step by Step Solution
- Step 1: Write the proportion equation
19,683,102.60 : 29,524,653.90 = 18,248,211.90 : x - Step 2: Convert to fraction form
19,683,102.60/29,524,653.90 = 18,248,211.90/x - Step 3: Cross multiply
19,683,102.60x = 29,524,653.90 × 18,248,211.90 - Step 4: Simplify right side
19,683,102.60x = 538,772,140,641,361.31 - Step 5: Solve for x
x = 538,772,140,641,361.31/19,683,102.60 - Step 6: Final answer
x = 27,372,317.85
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1.5x scale
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.