Finding the Fourth Proportional to 19,490,722.40, 29,236,083.60 and 14,955,759.20
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Solution
The fourth proportional to 19,490,722.40, 29,236,083.60 and 14,955,759.20 is: 22,433,638.80
Step by Step Solution
- Step 1: Write the proportion equation
19,490,722.40 : 29,236,083.60 = 14,955,759.20 : x - Step 2: Convert to fraction form
19,490,722.40/29,236,083.60 = 14,955,759.20/x - Step 3: Cross multiply
19,490,722.40x = 29,236,083.60 × 14,955,759.20 - Step 4: Simplify right side
19,490,722.40x = 437,247,826,272,669.12 - Step 5: Solve for x
x = 437,247,826,272,669.12/19,490,722.40 - Step 6: Final answer
x = 22,433,638.80
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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.