Finding the Fourth Proportional to 7,422,014.70, 11,133,022.05 and 2,630,188.35
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Solution
The fourth proportional to 7,422,014.70, 11,133,022.05 and 2,630,188.35 is: 3,945,282.53
Step by Step Solution
- Step 1: Write the proportion equation
7,422,014.70 : 11,133,022.05 = 2,630,188.35 : x - Step 2: Convert to fraction form
7,422,014.70/11,133,022.05 = 2,630,188.35/x - Step 3: Cross multiply
7,422,014.70x = 11,133,022.05 × 2,630,188.35 - Step 4: Simplify right side
7,422,014.70x = 29,281,944,896,203.12 - Step 5: Solve for x
x = 29,281,944,896,203.12/7,422,014.70 - Step 6: Final answer
x = 3,945,282.53
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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.