Finding the Fourth Proportional to 27,637,130.14, 38,139,026.63 and 15,247,745.78
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Solution
The fourth proportional to 27,637,130.14, 38,139,026.63 and 15,247,745.78 is: 21,041,771.68
Step by Step Solution
- Step 1: Write the proportion equation
27,637,130.14 : 38,139,026.63 = 15,247,745.78 : x - Step 2: Convert to fraction form
27,637,130.14/38,139,026.63 = 15,247,745.78/x - Step 3: Cross multiply
27,637,130.14x = 38,139,026.63 × 15,247,745.78 - Step 4: Simplify right side
27,637,130.14x = 581,534,182,169,724.88 - Step 5: Solve for x
x = 581,534,182,169,724.88/27,637,130.14 - Step 6: Final answer
x = 21,041,771.68
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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.