Finding the Fourth Proportional to 26,806,037.79, 40,202,413.68 and 7,636,960.92
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Solution
The fourth proportional to 26,806,037.79, 40,202,413.68 and 7,636,960.92 is: 11,453,548.81
Step by Step Solution
- Step 1: Write the proportion equation
26,806,037.79 : 40,202,413.68 = 7,636,960.92 : x - Step 2: Convert to fraction form
26,806,037.79/40,202,413.68 = 7,636,960.92/x - Step 3: Cross multiply
26,806,037.79x = 40,202,413.68 × 7,636,960.92 - Step 4: Simplify right side
26,806,037.79x = 307,024,262,163,833.38 - Step 5: Solve for x
x = 307,024,262,163,833.38/26,806,037.79 - Step 6: Final answer
x = 11,453,548.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.