Finding the Fourth Proportional to 27,713,543.08, 38,243,898.18 and 15,323,422.62
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Solution
The fourth proportional to 27,713,543.08, 38,243,898.18 and 15,323,422.62 is: 21,145,885.70
Step by Step Solution
- Step 1: Write the proportion equation
27,713,543.08 : 38,243,898.18 = 15,323,422.62 : x - Step 2: Convert to fraction form
27,713,543.08/38,243,898.18 = 15,323,422.62/x - Step 3: Cross multiply
27,713,543.08x = 38,243,898.18 × 15,323,422.62 - Step 4: Simplify right side
27,713,543.08x = 586,027,414,448,388.75 - Step 5: Solve for x
x = 586,027,414,448,388.75/27,713,543.08 - Step 6: Final answer
x = 21,145,885.70
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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.