Finding the Fourth Proportional to 9,721,206.20, 14,578,310.10 and 4,927,302.20
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Solution
The fourth proportional to 9,721,206.20, 14,578,310.10 and 4,927,302.20 is: 7,389,179.69
Step by Step Solution
- Step 1: Write the proportion equation
9,721,206.20 : 14,578,310.10 = 4,927,302.20 : x - Step 2: Convert to fraction form
9,721,206.20/14,578,310.10 = 4,927,302.20/x - Step 3: Cross multiply
9,721,206.20x = 14,578,310.10 × 4,927,302.20 - Step 4: Simplify right side
9,721,206.20x = 71,831,739,428,012.22 - Step 5: Solve for x
x = 71,831,739,428,012.22/9,721,206.20 - Step 6: Final answer
x = 7,389,179.69
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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.