Finding the Fourth Proportional to 35,926,415.66, 49,578,474.12 and 19,406,540.18
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Solution
The fourth proportional to 35,926,415.66, 49,578,474.12 and 19,406,540.18 is: 26,781,036.53
Step by Step Solution
- Step 1: Write the proportion equation
35,926,415.66 : 49,578,474.12 = 19,406,540.18 : x - Step 2: Convert to fraction form
35,926,415.66/49,578,474.12 = 19,406,540.18/x - Step 3: Cross multiply
35,926,415.66x = 49,578,474.12 × 19,406,540.18 - Step 4: Simplify right side
35,926,415.66x = 962,146,650,072,870.12 - Step 5: Solve for x
x = 962,146,650,072,870.12/35,926,415.66 - Step 6: Final answer
x = 26,781,036.53
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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.