Finding the Fourth Proportional to 17,583,135.40, 26,371,203.90 and 8,485,215.40
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Solution
The fourth proportional to 17,583,135.40, 26,371,203.90 and 8,485,215.40 is: 12,726,134.47
Step by Step Solution
- Step 1: Write the proportion equation
17,583,135.40 : 26,371,203.90 = 8,485,215.40 : x - Step 2: Convert to fraction form
17,583,135.40/26,371,203.90 = 8,485,215.40/x - Step 3: Cross multiply
17,583,135.40x = 26,371,203.90 × 8,485,215.40 - Step 4: Simplify right side
17,583,135.40x = 223,765,345,448,820.06 - Step 5: Solve for x
x = 223,765,345,448,820.06/17,583,135.40 - Step 6: Final answer
x = 12,726,134.47
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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.