Finding the Fourth Proportional to 35,926,413.66, 49,578,471.36 and 19,406,538.18
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Solution
The fourth proportional to 35,926,413.66, 49,578,471.36 and 19,406,538.18 is: 26,781,033.77
Step by Step Solution
- Step 1: Write the proportion equation
35,926,413.66 : 49,578,471.36 = 19,406,538.18 : x - Step 2: Convert to fraction form
35,926,413.66/49,578,471.36 = 19,406,538.18/x - Step 3: Cross multiply
35,926,413.66x = 49,578,471.36 × 19,406,538.18 - Step 4: Simplify right side
35,926,413.66x = 962,146,497,353,876.50 - Step 5: Solve for x
x = 962,146,497,353,876.50/35,926,413.66 - Step 6: Final answer
x = 26,781,033.77
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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.