Finding the Fourth Proportional to 27,027,477.18, 37,297,733.64 and 14,637,285.65
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Solution
The fourth proportional to 27,027,477.18, 37,297,733.64 and 14,637,285.65 is: 20,199,354.08
Step by Step Solution
- Step 1: Write the proportion equation
27,027,477.18 : 37,297,733.64 = 14,637,285.65 : x - Step 2: Convert to fraction form
27,027,477.18/37,297,733.64 = 14,637,285.65/x - Step 3: Cross multiply
27,027,477.18x = 37,297,733.64 × 14,637,285.65 - Step 4: Simplify right side
27,027,477.18x = 545,937,581,386,294.31 - Step 5: Solve for x
x = 545,937,581,386,294.31/27,027,477.18 - Step 6: Final answer
x = 20,199,354.08
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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.