Finding the Fourth Proportional to 10,893,811.80, 16,340,717.70 and 6,642,283.80
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Solution
The fourth proportional to 10,893,811.80, 16,340,717.70 and 6,642,283.80 is: 9,963,425.70
Step by Step Solution
- Step 1: Write the proportion equation
10,893,811.80 : 16,340,717.70 = 6,642,283.80 : x - Step 2: Convert to fraction form
10,893,811.80/16,340,717.70 = 6,642,283.80/x - Step 3: Cross multiply
10,893,811.80x = 16,340,717.70 × 6,642,283.80 - Step 4: Simplify right side
10,893,811.80x = 108,539,684,459,083.25 - Step 5: Solve for x
x = 108,539,684,459,083.25/10,893,811.80 - Step 6: Final answer
x = 9,963,425.70
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1.5x scale
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.