Finding the Fourth Proportional to 27,286,346.24, 37,655,278.08 and 15,063,303.68
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Solution
The fourth proportional to 27,286,346.24, 37,655,278.08 and 15,063,303.68 is: 20,787,425.47
Step by Step Solution
- Step 1: Write the proportion equation
27,286,346.24 : 37,655,278.08 = 15,063,303.68 : x - Step 2: Convert to fraction form
27,286,346.24/37,655,278.08 = 15,063,303.68/x - Step 3: Cross multiply
27,286,346.24x = 37,655,278.08 × 15,063,303.68 - Step 4: Simplify right side
27,286,346.24x = 567,212,888,873,887.25 - Step 5: Solve for x
x = 567,212,888,873,887.25/27,286,346.24 - Step 6: Final answer
x = 20,787,425.47
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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.