Finding the Fourth Proportional to 19,729,810.40, 29,594,715.60 and 6,267,999.20
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Solution
The fourth proportional to 19,729,810.40, 29,594,715.60 and 6,267,999.20 is: 9,401,998.80
Step by Step Solution
- Step 1: Write the proportion equation
19,729,810.40 : 29,594,715.60 = 6,267,999.20 : x - Step 2: Convert to fraction form
19,729,810.40/29,594,715.60 = 6,267,999.20/x - Step 3: Cross multiply
19,729,810.40x = 29,594,715.60 × 6,267,999.20 - Step 4: Simplify right side
19,729,810.40x = 185,499,653,705,027.53 - Step 5: Solve for x
x = 185,499,653,705,027.53/19,729,810.40 - Step 6: Final answer
x = 9,401,998.80
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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.