Finding the Fourth Proportional to 14,763,159.40, 22,144,739.10 and 14,125,430.20
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Solution
The fourth proportional to 14,763,159.40, 22,144,739.10 and 14,125,430.20 is: 21,188,145.30
Step by Step Solution
- Step 1: Write the proportion equation
14,763,159.40 : 22,144,739.10 = 14,125,430.20 : x - Step 2: Convert to fraction form
14,763,159.40/22,144,739.10 = 14,125,430.20/x - Step 3: Cross multiply
14,763,159.40x = 22,144,739.10 × 14,125,430.20 - Step 4: Simplify right side
14,763,159.40x = 312,803,966,454,260.81 - Step 5: Solve for x
x = 312,803,966,454,260.81/14,763,159.40 - Step 6: Final answer
x = 21,188,145.30
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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.