Finding the Fourth Proportional to 10,188,761.36, 14,050,840.20 and 6,518,839.28
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Solution
The fourth proportional to 10,188,761.36, 14,050,840.20 and 6,518,839.28 is: 8,989,823.77
Step by Step Solution
- Step 1: Write the proportion equation
10,188,761.36 : 14,050,840.20 = 6,518,839.28 : x - Step 2: Convert to fraction form
10,188,761.36/14,050,840.20 = 6,518,839.28/x - Step 3: Cross multiply
10,188,761.36x = 14,050,840.20 × 6,518,839.28 - Step 4: Simplify right side
10,188,761.36x = 91,595,169,012,763.06 - Step 5: Solve for x
x = 91,595,169,012,763.06/10,188,761.36 - Step 6: Final answer
x = 8,989,823.77
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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.