Finding the Fourth Proportional to 10,304,955.63, 14,220,283.44 and 5,720,982.03
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Solution
The fourth proportional to 10,304,955.63, 14,220,283.44 and 5,720,982.03 is: 7,894,646.90
Step by Step Solution
- Step 1: Write the proportion equation
10,304,955.63 : 14,220,283.44 = 5,720,982.03 : x - Step 2: Convert to fraction form
10,304,955.63/14,220,283.44 = 5,720,982.03/x - Step 3: Cross multiply
10,304,955.63x = 14,220,283.44 × 5,720,982.03 - Step 4: Simplify right side
10,304,955.63x = 81,353,986,021,746.58 - Step 5: Solve for x
x = 81,353,986,021,746.58/10,304,955.63 - Step 6: Final answer
x = 7,894,646.90
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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.