Finding the Fourth Proportional to 6,302,387.68, 8,688,525.60 and 5,326,373.32
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Solution
The fourth proportional to 6,302,387.68, 8,688,525.60 and 5,326,373.32 is: 7,342,983.85
Step by Step Solution
- Step 1: Write the proportion equation
6,302,387.68 : 8,688,525.60 = 5,326,373.32 : x - Step 2: Convert to fraction form
6,302,387.68/8,688,525.60 = 5,326,373.32/x - Step 3: Cross multiply
6,302,387.68x = 8,688,525.60 × 5,326,373.32 - Step 4: Simplify right side
6,302,387.68x = 46,278,330,945,976.99 - Step 5: Solve for x
x = 46,278,330,945,976.99/6,302,387.68 - Step 6: Final answer
x = 7,342,983.85
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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.