Finding the Fourth Proportional to 27,158,685.84, 37,478,238.76 and 14,935,542.80
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Solution
The fourth proportional to 27,158,685.84, 37,478,238.76 and 14,935,542.80 is: 20,610,637.88
Step by Step Solution
- Step 1: Write the proportion equation
27,158,685.84 : 37,478,238.76 = 14,935,542.80 : x - Step 2: Convert to fraction form
27,158,685.84/37,478,238.76 = 14,935,542.80/x - Step 3: Cross multiply
27,158,685.84x = 37,478,238.76 × 14,935,542.80 - Step 4: Simplify right side
27,158,685.84x = 559,757,839,068,598.94 - Step 5: Solve for x
x = 559,757,839,068,598.94/27,158,685.84 - Step 6: Final answer
x = 20,610,637.88
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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.