Finding the Fourth Proportional to 35,816,681.68, 49,425,578.76 and 19,518,807.76
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Solution
The fourth proportional to 35,816,681.68, 49,425,578.76 and 19,518,807.76 is: 26,935,168.89
Step by Step Solution
- Step 1: Write the proportion equation
35,816,681.68 : 49,425,578.76 = 19,518,807.76 : x - Step 2: Convert to fraction form
35,816,681.68/49,425,578.76 = 19,518,807.76/x - Step 3: Cross multiply
35,816,681.68x = 49,425,578.76 × 19,518,807.76 - Step 4: Simplify right side
35,816,681.68x = 964,728,370,243,179.25 - Step 5: Solve for x
x = 964,728,370,243,179.25/35,816,681.68 - Step 6: Final answer
x = 26,935,168.89
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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.