Finding the Fourth Proportional to 27,182,644.08, 40,773,924.36 and 18,637,073.52
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Solution
The fourth proportional to 27,182,644.08, 40,773,924.36 and 18,637,073.52 is: 27,955,581.65
Step by Step Solution
- Step 1: Write the proportion equation
27,182,644.08 : 40,773,924.36 = 18,637,073.52 : x - Step 2: Convert to fraction form
27,182,644.08/40,773,924.36 = 18,637,073.52/x - Step 3: Cross multiply
27,182,644.08x = 40,773,924.36 × 18,637,073.52 - Step 4: Simplify right side
27,182,644.08x = 759,906,625,996,238.88 - Step 5: Solve for x
x = 759,906,625,996,238.88/27,182,644.08 - Step 6: Final answer
x = 27,955,581.65
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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.