Finding the Fourth Proportional to 8,377,718.36, 12,566,703.98 and 3,190,615.08
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Solution
The fourth proportional to 8,377,718.36, 12,566,703.98 and 3,190,615.08 is: 4,785,970.78
Step by Step Solution
- Step 1: Write the proportion equation
8,377,718.36 : 12,566,703.98 = 3,190,615.08 : x - Step 2: Convert to fraction form
8,377,718.36/12,566,703.98 = 3,190,615.08/x - Step 3: Cross multiply
8,377,718.36x = 12,566,703.98 × 3,190,615.08 - Step 4: Simplify right side
8,377,718.36x = 40,095,515,277,089.85 - Step 5: Solve for x
x = 40,095,515,277,089.85/8,377,718.36 - Step 6: Final answer
x = 4,785,970.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.