Finding the Fourth Proportional to 7,766,840.66, 11,650,250.91 and 2,087,065.10
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Solution
The fourth proportional to 7,766,840.66, 11,650,250.91 and 2,087,065.10 is: 3,130,594.94
Step by Step Solution
- Step 1: Write the proportion equation
7,766,840.66 : 11,650,250.91 = 2,087,065.10 : x - Step 2: Convert to fraction form
7,766,840.66/11,650,250.91 = 2,087,065.10/x - Step 3: Cross multiply
7,766,840.66x = 11,650,250.91 × 2,087,065.10 - Step 4: Simplify right side
7,766,840.66x = 24,314,832,080,504.24 - Step 5: Solve for x
x = 24,314,832,080,504.24/7,766,840.66 - Step 6: Final answer
x = 3,130,594.94
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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.