Finding the Fourth Proportional to 14,046,527.90, 19,385,781.64 and 7,935,350.06
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Solution
The fourth proportional to 14,046,527.90, 19,385,781.64 and 7,935,350.06 is: 10,951,671.80
Step by Step Solution
- Step 1: Write the proportion equation
14,046,527.90 : 19,385,781.64 = 7,935,350.06 : x - Step 2: Convert to fraction form
14,046,527.90/19,385,781.64 = 7,935,350.06/x - Step 3: Cross multiply
14,046,527.90x = 19,385,781.64 × 7,935,350.06 - Step 4: Simplify right side
14,046,527.90x = 153,832,963,500,120.91 - Step 5: Solve for x
x = 153,832,963,500,120.91/14,046,527.90 - Step 6: Final answer
x = 10,951,671.80
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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.