Finding the Fourth Proportional to 38,790,767.62, 58,192,130.14 and 13,225,798.31
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Solution
The fourth proportional to 38,790,767.62, 58,192,130.14 and 13,225,798.31 is: 19,840,735.92
Step by Step Solution
- Step 1: Write the proportion equation
38,790,767.62 : 58,192,130.14 = 13,225,798.31 : x - Step 2: Convert to fraction form
38,790,767.62/58,192,130.14 = 13,225,798.31/x - Step 3: Cross multiply
38,790,767.62x = 58,192,130.14 × 13,225,798.31 - Step 4: Simplify right side
38,790,767.62x = 769,637,376,573,327.88 - Step 5: Solve for x
x = 769,637,376,573,327.88/38,790,767.62 - Step 6: Final answer
x = 19,840,735.92
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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.