Finding the Fourth Proportional to 15,763,739.79, 21,754,202.36 and 9,235,807.23
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Solution
The fourth proportional to 15,763,739.79, 21,754,202.36 and 9,235,807.23 is: 12,745,555.44
Step by Step Solution
- Step 1: Write the proportion equation
15,763,739.79 : 21,754,202.36 = 9,235,807.23 : x - Step 2: Convert to fraction form
15,763,739.79/21,754,202.36 = 9,235,807.23/x - Step 3: Cross multiply
15,763,739.79x = 21,754,202.36 × 9,235,807.23 - Step 4: Simplify right side
15,763,739.79x = 200,917,619,393,192.03 - Step 5: Solve for x
x = 200,917,619,393,192.03/15,763,739.79 - Step 6: Final answer
x = 12,745,555.44
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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.