Finding the Fourth Proportional to 6,804,792.10, 10,207,188.15 and 6,645,359.80
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Solution
The fourth proportional to 6,804,792.10, 10,207,188.15 and 6,645,359.80 is: 9,968,039.70
Step by Step Solution
- Step 1: Write the proportion equation
6,804,792.10 : 10,207,188.15 = 6,645,359.80 : x - Step 2: Convert to fraction form
6,804,792.10/10,207,188.15 = 6,645,359.80/x - Step 3: Cross multiply
6,804,792.10x = 10,207,188.15 × 6,645,359.80 - Step 4: Simplify right side
6,804,792.10x = 67,830,437,803,046.37 - Step 5: Solve for x
x = 67,830,437,803,046.37/6,804,792.10 - Step 6: Final answer
x = 9,968,039.70
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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.