Finding the Fourth Proportional to 19,422,480.30, 29,129,638.05 and 9,828,840.30
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Solution
The fourth proportional to 19,422,480.30, 29,129,638.05 and 9,828,840.30 is: 14,741,194.53
Step by Step Solution
- Step 1: Write the proportion equation
19,422,480.30 : 29,129,638.05 = 9,828,840.30 : x - Step 2: Convert to fraction form
19,422,480.30/29,129,638.05 = 9,828,840.30/x - Step 3: Cross multiply
19,422,480.30x = 29,129,638.05 × 9,828,840.30 - Step 4: Simplify right side
19,422,480.30x = 286,310,560,390,253.44 - Step 5: Solve for x
x = 286,310,560,390,253.44/19,422,480.30 - Step 6: Final answer
x = 14,741,194.53
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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.