Finding the Fourth Proportional to 19,446,698.98, 26,836,389.50 and 10,744,809.60
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Solution
The fourth proportional to 19,446,698.98, 26,836,389.50 and 10,744,809.60 is: 14,827,806.80
Step by Step Solution
- Step 1: Write the proportion equation
19,446,698.98 : 26,836,389.50 = 10,744,809.60 : x - Step 2: Convert to fraction form
19,446,698.98/26,836,389.50 = 10,744,809.60/x - Step 3: Cross multiply
19,446,698.98x = 26,836,389.50 × 10,744,809.60 - Step 4: Simplify right side
19,446,698.98x = 288,351,895,409,845.69 - Step 5: Solve for x
x = 288,351,895,409,845.69/19,446,698.98 - Step 6: Final answer
x = 14,827,806.80
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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.