Finding the Fourth Proportional to 8,537,932.80, 11,782,440.74 and 4,670,454
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Solution
The fourth proportional to 8,537,932.80, 11,782,440.74 and 4,670,454 is: 6,445,277.65
Step by Step Solution
- Step 1: Write the proportion equation
8,537,932.80 : 11,782,440.74 = 4,670,454 : x - Step 2: Convert to fraction form
8,537,932.80/11,782,440.74 = 4,670,454/x - Step 3: Cross multiply
8,537,932.80x = 11,782,440.74 × 4,670,454 - Step 4: Simplify right side
8,537,932.80x = 55,029,347,460,543.69 - Step 5: Solve for x
x = 55,029,347,460,543.69/8,537,932.80 - Step 6: Final answer
x = 6,445,277.65
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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.