Finding the Fourth Proportional to 12,080,632.84, 16,671,275.74 and 6,648,124.84
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Solution
The fourth proportional to 12,080,632.84, 16,671,275.74 and 6,648,124.84 is: 9,174,413.61
Step by Step Solution
- Step 1: Write the proportion equation
12,080,632.84 : 16,671,275.74 = 6,648,124.84 : x - Step 2: Convert to fraction form
12,080,632.84/16,671,275.74 = 6,648,124.84/x - Step 3: Cross multiply
12,080,632.84x = 16,671,275.74 × 6,648,124.84 - Step 4: Simplify right side
12,080,632.84x = 110,832,722,361,583.38 - Step 5: Solve for x
x = 110,832,722,361,583.38/12,080,632.84 - Step 6: Final answer
x = 9,174,413.61
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1.5x scale
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.