Finding the Fourth Proportional to 14,517,748.13, 21,776,618.27 and 5,420,555.12
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Solution
The fourth proportional to 14,517,748.13, 21,776,618.27 and 5,420,555.12 is: 8,130,831.22
Step by Step Solution
- Step 1: Write the proportion equation
14,517,748.13 : 21,776,618.27 = 5,420,555.12 : x - Step 2: Convert to fraction form
14,517,748.13/21,776,618.27 = 5,420,555.12/x - Step 3: Cross multiply
14,517,748.13x = 21,776,618.27 × 5,420,555.12 - Step 4: Simplify right side
14,517,748.13x = 118,041,359,727,726.97 - Step 5: Solve for x
x = 118,041,359,727,726.97/14,517,748.13 - Step 6: Final answer
x = 8,130,831.22
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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.