Finding the Fourth Proportional to 19,859,352.30, 29,789,029.65 and 6,396,180.30
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Solution
The fourth proportional to 19,859,352.30, 29,789,029.65 and 6,396,180.30 is: 9,594,270.84
Step by Step Solution
- Step 1: Write the proportion equation
19,859,352.30 : 29,789,029.65 = 6,396,180.30 : x - Step 2: Convert to fraction form
19,859,352.30/29,789,029.65 = 6,396,180.30/x - Step 3: Cross multiply
19,859,352.30x = 29,789,029.65 × 6,396,180.30 - Step 4: Simplify right side
19,859,352.30x = 190,536,004,603,445.88 - Step 5: Solve for x
x = 190,536,004,603,445.88/19,859,352.30 - Step 6: Final answer
x = 9,594,270.84
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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.