Finding the Fourth Proportional to 27,713,544.08, 38,243,899.56 and 15,323,423.62
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Solution
The fourth proportional to 27,713,544.08, 38,243,899.56 and 15,323,423.62 is: 21,145,887.08
Step by Step Solution
- Step 1: Write the proportion equation
27,713,544.08 : 38,243,899.56 = 15,323,423.62 : x - Step 2: Convert to fraction form
27,713,544.08/38,243,899.56 = 15,323,423.62/x - Step 3: Cross multiply
27,713,544.08x = 38,243,899.56 × 15,323,423.62 - Step 4: Simplify right side
27,713,544.08x = 586,027,473,838,611.62 - Step 5: Solve for x
x = 586,027,473,838,611.62/27,713,544.08 - Step 6: Final answer
x = 21,145,887.08
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1.5x scale
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.