Finding the Fourth Proportional to 13,104,901.80, 19,657,352.70 and 10,865,413.80
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Solution
The fourth proportional to 13,104,901.80, 19,657,352.70 and 10,865,413.80 is: 16,298,120.70
Step by Step Solution
- Step 1: Write the proportion equation
13,104,901.80 : 19,657,352.70 = 10,865,413.80 : x - Step 2: Convert to fraction form
13,104,901.80/19,657,352.70 = 10,865,413.80/x - Step 3: Cross multiply
13,104,901.80x = 19,657,352.70 × 10,865,413.80 - Step 4: Simplify right side
13,104,901.80x = 213,585,271,298,047.28 - Step 5: Solve for x
x = 213,585,271,298,047.28/13,104,901.80 - Step 6: Final answer
x = 16,298,120.70
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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.