Finding the Fourth Proportional to 10,828,880.12, 14,950,649.58 and 6,968,110.70
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Solution
The fourth proportional to 10,828,880.12, 14,950,649.58 and 6,968,110.70 is: 9,620,365.19
Step by Step Solution
- Step 1: Write the proportion equation
10,828,880.12 : 14,950,649.58 = 6,968,110.70 : x - Step 2: Convert to fraction form
10,828,880.12/14,950,649.58 = 6,968,110.70/x - Step 3: Cross multiply
10,828,880.12x = 14,950,649.58 × 6,968,110.70 - Step 4: Simplify right side
10,828,880.12x = 104,177,781,310,348.52 - Step 5: Solve for x
x = 104,177,781,310,348.52/10,828,880.12 - Step 6: Final answer
x = 9,620,365.19
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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.