Finding the Fourth Proportional to 10,964,990.04, 15,130,965.42 and 6,069,871.68
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Solution
The fourth proportional to 10,964,990.04, 15,130,965.42 and 6,069,871.68 is: 8,376,023.89
Step by Step Solution
- Step 1: Write the proportion equation
10,964,990.04 : 15,130,965.42 = 6,069,871.68 : x - Step 2: Convert to fraction form
10,964,990.04/15,130,965.42 = 6,069,871.68/x - Step 3: Cross multiply
10,964,990.04x = 15,130,965.42 × 6,069,871.68 - Step 4: Simplify right side
10,964,990.04x = 91,843,018,493,917.30 - Step 5: Solve for x
x = 91,843,018,493,917.30/10,964,990.04 - Step 6: Final answer
x = 8,376,023.89
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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.