Finding the Fourth Proportional to 12,330,168.24, 18,475,055.28 and 6,566,782.80
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Solution
The fourth proportional to 12,330,168.24, 18,475,055.28 and 6,566,782.80 is: 9,839,417.67
Step by Step Solution
- Step 1: Write the proportion equation
12,330,168.24 : 18,475,055.28 = 6,566,782.80 : x - Step 2: Convert to fraction form
12,330,168.24/18,475,055.28 = 6,566,782.80/x - Step 3: Cross multiply
12,330,168.24x = 18,475,055.28 × 6,566,782.80 - Step 4: Simplify right side
12,330,168.24x = 121,321,675,241,753.19 - Step 5: Solve for x
x = 121,321,675,241,753.19/12,330,168.24 - Step 6: Final answer
x = 9,839,417.67
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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.