Finding the Fourth Proportional to 11,393,526.06, 15,722,069.65 and 6,746,477.42
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Solution
The fourth proportional to 11,393,526.06, 15,722,069.65 and 6,746,477.42 is: 9,309,548.89
Step by Step Solution
- Step 1: Write the proportion equation
11,393,526.06 : 15,722,069.65 = 6,746,477.42 : x - Step 2: Convert to fraction form
11,393,526.06/15,722,069.65 = 6,746,477.42/x - Step 3: Cross multiply
11,393,526.06x = 15,722,069.65 × 6,746,477.42 - Step 4: Simplify right side
11,393,526.06x = 106,068,587,889,392.30 - Step 5: Solve for x
x = 106,068,587,889,392.30/11,393,526.06 - Step 6: Final answer
x = 9,309,548.89
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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.