Finding the Fourth Proportional to 16,016,642.17, 22,102,959.26 and 8,674,475.67
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Solution
The fourth proportional to 16,016,642.17, 22,102,959.26 and 8,674,475.67 is: 11,970,772.67
Step by Step Solution
- Step 1: Write the proportion equation
16,016,642.17 : 22,102,959.26 = 8,674,475.67 : x - Step 2: Convert to fraction form
16,016,642.17/22,102,959.26 = 8,674,475.67/x - Step 3: Cross multiply
16,016,642.17x = 22,102,959.26 × 8,674,475.67 - Step 4: Simplify right side
16,016,642.17x = 191,731,582,440,443.50 - Step 5: Solve for x
x = 191,731,582,440,443.50/16,016,642.17 - Step 6: Final answer
x = 11,970,772.67
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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.