Finding the Fourth Proportional to 7,284,483.66, 10,052,323.95 and 4,021,228.32
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Solution
The fourth proportional to 7,284,483.66, 10,052,323.95 and 4,021,228.32 is: 5,549,149.62
Step by Step Solution
- Step 1: Write the proportion equation
7,284,483.66 : 10,052,323.95 = 4,021,228.32 : x - Step 2: Convert to fraction form
7,284,483.66/10,052,323.95 = 4,021,228.32/x - Step 3: Cross multiply
7,284,483.66x = 10,052,323.95 × 4,021,228.32 - Step 4: Simplify right side
7,284,483.66x = 40,422,689,749,554.26 - Step 5: Solve for x
x = 40,422,689,749,554.26/7,284,483.66 - Step 6: Final answer
x = 5,549,149.62
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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.