Finding the Fourth Proportional to 10,304,971.92, 14,220,203.16 and 5,721,292.08
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Solution
The fourth proportional to 10,304,971.92, 14,220,203.16 and 5,721,292.08 is: 7,895,017.70
Step by Step Solution
- Step 1: Write the proportion equation
10,304,971.92 : 14,220,203.16 = 5,721,292.08 : x - Step 2: Convert to fraction form
10,304,971.92/14,220,203.16 = 5,721,292.08/x - Step 3: Cross multiply
10,304,971.92x = 14,220,203.16 × 5,721,292.08 - Step 4: Simplify right side
10,304,971.92x = 81,357,935,715,298.97 - Step 5: Solve for x
x = 81,357,935,715,298.97/10,304,971.92 - Step 6: Final answer
x = 7,895,017.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.