Finding the Fourth Proportional to 14,434,263.15, 19,919,300.00 and 7,818,864.99
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Solution
The fourth proportional to 14,434,263.15, 19,919,300.00 and 7,818,864.99 is: 10,790,042.81
Step by Step Solution
- Step 1: Write the proportion equation
14,434,263.15 : 19,919,300.00 = 7,818,864.99 : x - Step 2: Convert to fraction form
14,434,263.15/19,919,300.00 = 7,818,864.99/x - Step 3: Cross multiply
14,434,263.15x = 19,919,300.00 × 7,818,864.99 - Step 4: Simplify right side
14,434,263.15x = 155,746,317,356,212.69 - Step 5: Solve for x
x = 155,746,317,356,212.69/14,434,263.15 - Step 6: Final answer
x = 10,790,042.81
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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.