Finding the Fourth Proportional to 10,643,817.36, 15,972,024.60 and 3,916,955.28
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Solution
The fourth proportional to 10,643,817.36, 15,972,024.60 and 3,916,955.28 is: 5,877,750.81
Step by Step Solution
- Step 1: Write the proportion equation
10,643,817.36 : 15,972,024.60 = 3,916,955.28 : x - Step 2: Convert to fraction form
10,643,817.36/15,972,024.60 = 3,916,955.28/x - Step 3: Cross multiply
10,643,817.36x = 15,972,024.60 × 3,916,955.28 - Step 4: Simplify right side
10,643,817.36x = 62,561,706,089,259.88 - Step 5: Solve for x
x = 62,561,706,089,259.88/10,643,817.36 - Step 6: Final answer
x = 5,877,750.81
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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.