Finding the Fourth Proportional to 27,847,153.08, 38,424,974.27 and 15,457,341.20
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Solution
The fourth proportional to 27,847,153.08, 38,424,974.27 and 15,457,341.20 is: 21,328,856.70
Step by Step Solution
- Step 1: Write the proportion equation
27,847,153.08 : 38,424,974.27 = 15,457,341.20 : x - Step 2: Convert to fraction form
27,847,153.08/38,424,974.27 = 15,457,341.20/x - Step 3: Cross multiply
27,847,153.08x = 38,424,974.27 × 15,457,341.20 - Step 4: Simplify right side
27,847,153.08x = 593,947,937,623,199.38 - Step 5: Solve for x
x = 593,947,937,623,199.38/27,847,153.08 - Step 6: Final answer
x = 21,328,856.70
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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.