Finding the Fourth Proportional to 19,883,730.24, 27,439,286.40 and 11,181,900.24
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Solution
The fourth proportional to 19,883,730.24, 27,439,286.40 and 11,181,900.24 is: 15,430,875.37
Step by Step Solution
- Step 1: Write the proportion equation
19,883,730.24 : 27,439,286.40 = 11,181,900.24 : x - Step 2: Convert to fraction form
19,883,730.24/27,439,286.40 = 11,181,900.24/x - Step 3: Cross multiply
19,883,730.24x = 27,439,286.40 × 11,181,900.24 - Step 4: Simplify right side
19,883,730.24x = 306,823,363,181,588.75 - Step 5: Solve for x
x = 306,823,363,181,588.75/19,883,730.24 - Step 6: Final answer
x = 15,430,875.37
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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.