Finding the Fourth Proportional to 27,637,122.29, 38,139,015.74 and 15,247,737.88
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Solution
The fourth proportional to 27,637,122.29, 38,139,015.74 and 15,247,737.88 is: 21,041,760.75
Step by Step Solution
- Step 1: Write the proportion equation
27,637,122.29 : 38,139,015.74 = 15,247,737.88 : x - Step 2: Convert to fraction form
27,637,122.29/38,139,015.74 = 15,247,737.88/x - Step 3: Cross multiply
27,637,122.29x = 38,139,015.74 × 15,247,737.88 - Step 4: Simplify right side
27,637,122.29x = 581,533,714,833,128 - Step 5: Solve for x
x = 581,533,714,833,128/27,637,122.29 - Step 6: Final answer
x = 21,041,760.75
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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.