Finding the Fourth Proportional to 13,203,762.40, 19,805,643.60 and 10,493,413.30
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Solution
The fourth proportional to 13,203,762.40, 19,805,643.60 and 10,493,413.30 is: 15,740,119.95
Step by Step Solution
- Step 1: Write the proportion equation
13,203,762.40 : 19,805,643.60 = 10,493,413.30 : x - Step 2: Convert to fraction form
13,203,762.40/19,805,643.60 = 10,493,413.30/x - Step 3: Cross multiply
13,203,762.40x = 19,805,643.60 × 10,493,413.30 - Step 4: Simplify right side
13,203,762.40x = 207,828,803,967,299.91 - Step 5: Solve for x
x = 207,828,803,967,299.91/13,203,762.40 - Step 6: Final answer
x = 15,740,119.95
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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.