Finding the Fourth Proportional to 27,286,343.74, 37,655,274.63 and 15,063,301.18
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Solution
The fourth proportional to 27,286,343.74, 37,655,274.63 and 15,063,301.18 is: 20,787,422.02
Step by Step Solution
- Step 1: Write the proportion equation
27,286,343.74 : 37,655,274.63 = 15,063,301.18 : x - Step 2: Convert to fraction form
27,286,343.74/37,655,274.63 = 15,063,301.18/x - Step 3: Cross multiply
27,286,343.74x = 37,655,274.63 × 15,063,301.18 - Step 4: Simplify right side
27,286,343.74x = 567,212,742,767,303.12 - Step 5: Solve for x
x = 567,212,742,767,303.12/27,286,343.74 - Step 6: Final answer
x = 20,787,422.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.