Finding the Fourth Proportional to 13,263,699.98, 19,895,549.97 and 3,679,078.52
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Solution
The fourth proportional to 13,263,699.98, 19,895,549.97 and 3,679,078.52 is: 5,518,617.78
Step by Step Solution
- Step 1: Write the proportion equation
13,263,699.98 : 19,895,549.97 = 3,679,078.52 : x - Step 2: Convert to fraction form
13,263,699.98/19,895,549.97 = 3,679,078.52/x - Step 3: Cross multiply
13,263,699.98x = 19,895,549.97 × 3,679,078.52 - Step 4: Simplify right side
13,263,699.98x = 73,197,290,601,749.06 - Step 5: Solve for x
x = 73,197,290,601,749.06/13,263,699.98 - Step 6: Final answer
x = 5,518,617.78
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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.