Finding the Fourth Proportional to 10,860,348.48, 14,986,406.88 and 6,276,966.72
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Solution
The fourth proportional to 10,860,348.48, 14,986,406.88 and 6,276,966.72 is: 8,661,708.91
Step by Step Solution
- Step 1: Write the proportion equation
10,860,348.48 : 14,986,406.88 = 6,276,966.72 : x - Step 2: Convert to fraction form
10,860,348.48/14,986,406.88 = 6,276,966.72/x - Step 3: Cross multiply
10,860,348.48x = 14,986,406.88 × 6,276,966.72 - Step 4: Simplify right side
10,860,348.48x = 94,069,177,238,139.03 - Step 5: Solve for x
x = 94,069,177,238,139.03/10,860,348.48 - Step 6: Final answer
x = 8,661,708.91
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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.