Finding the Fourth Proportional to 19,908,637.09, 27,459,251.14 and 15,014,065.48
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Solution
The fourth proportional to 19,908,637.09, 27,459,251.14 and 15,014,065.48 is: 20,708,348.48
Step by Step Solution
- Step 1: Write the proportion equation
19,908,637.09 : 27,459,251.14 = 15,014,065.48 : x - Step 2: Convert to fraction form
19,908,637.09/27,459,251.14 = 15,014,065.48/x - Step 3: Cross multiply
19,908,637.09x = 27,459,251.14 × 15,014,065.48 - Step 4: Simplify right side
19,908,637.09x = 412,274,994,541,541.31 - Step 5: Solve for x
x = 412,274,994,541,541.31/19,908,637.09 - Step 6: Final answer
x = 20,708,348.48
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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.