Finding the Fourth Proportional to 27,476,368.63, 37,917,931.01 and 15,086,353.65
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Solution
The fourth proportional to 27,476,368.63, 37,917,931.01 and 15,086,353.65 is: 20,819,465.80
Step by Step Solution
- Step 1: Write the proportion equation
27,476,368.63 : 37,917,931.01 = 15,086,353.65 : x - Step 2: Convert to fraction form
27,476,368.63/37,917,931.01 = 15,086,353.65/x - Step 3: Cross multiply
27,476,368.63x = 37,917,931.01 × 15,086,353.65 - Step 4: Simplify right side
27,476,368.63x = 572,043,316,973,686.75 - Step 5: Solve for x
x = 572,043,316,973,686.75/27,476,368.63 - Step 6: Final answer
x = 20,819,465.80
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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.