Finding the Fourth Proportional to 7,187,116.68, 10,782,225.06 and 2,069,512.11
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Solution
The fourth proportional to 7,187,116.68, 10,782,225.06 and 2,069,512.11 is: 3,104,714.50
Step by Step Solution
- Step 1: Write the proportion equation
7,187,116.68 : 10,782,225.06 = 2,069,512.11 : x - Step 2: Convert to fraction form
7,187,116.68/10,782,225.06 = 2,069,512.11/x - Step 3: Cross multiply
7,187,116.68x = 10,782,225.06 × 2,069,512.11 - Step 4: Simplify right side
7,187,116.68x = 22,313,945,334,415.48 - Step 5: Solve for x
x = 22,313,945,334,415.48/7,187,116.68 - Step 6: Final answer
x = 3,104,714.50
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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.